Subchapter J. VEHICLE OUT-OF-SERVICE CRITERIA
Sec.
231.451. Application.
231.452. Adoption of Federal standards.
231.453. Additional standards.
§ 231.451. Application.
In determining whether motor carrier vehicles will be placed out-of-service under 75 Pa.C.S. § 4704(c) (relating to inspection by police or Commonwealth personnel), police officers and qualified Commonwealth employes will use the criteria set forth in this subchapter.
This section cited in 67 Pa. Code § 231.364 (relating to inspection of motor carrier vehicles in operation).
The following additional vehicle out-of-service criteria applies:
(1) A vehicle’s brake linings or pads shall be declared out-of-service if:
(i) Bonded linings are less than 2/32-inch at thinnest point.
(ii) Riveted linings are less than 1/32-inch above rivet head at thinnest point.
(iii) Bolted lining is worn to less than 1/8-inch at center of shoe.
(2) A bus shall be declared out-of-service if the exhaust system is leaking or not discharging at an outside edge of the vehicle.
(3) A vehicle shall be declared out-of-service if a tire is marked ‘‘Not for Highway Use’’ or otherwise marked and having like meaning, except vehicles permitted to operate with oversize wheels and tires under 75 Pa.C.S. § 4969 (relating to permit for movement of vehicles with oversize wheels and tires).§ 231.453. Additional standards.
This section cited in 67 Pa. Code § 231.364 (relating to inspection of motor carrier vehicles in operation).
APPENDIX A
DRIVER OUT-OF-SERVICE CRITERIA
DRIVER OUT-OF-SERVICE CRITERIA
A driver found to be in violation of Part 395 Hours of Service of Drivers is to be declared out-of-service for whatever period of time necessary to comply with this Part.
The alpha and numeric identifiers following the FMCSR section number distinguish between violations having the same section number, which permits the selective storage and retrieval of data in the Management Information System.
| VIOLATION IDENTIFICATION CODE | |
| 1. Driving more than 10 hours following 8 consecutive hours off duty: To be placed out of service for 8 consecutive hours or until such time as eligibility to drive is reestablished. | 395.3A1 |
| 2. Driving for any period after having been on duty 15 hours following 8 consecutive hours off duty: To be placed out of service for 8 consecutive hours or until such time as eligibility to drive is reestablished. | 395.3A2 |
| a. Non-sleeper berth operation. Violation of item 1. or 2., 8 hours out-of-service. | |
| b. Sleeper berth operation. The length of out-of-service time will be computed to the nearest quarter hour as follows: | |
| (1) If the next turn in the sleeper berth will restore the driver’s eligibility to drive, this period of time will constitute the hours out-of-service. Example: Following 8 consecutive hours off duty, a driver drives 5 hours, enters the sleeper berth for 3 1/2 hours and then drives 6 hours, resulting in a 1-hour violation of the 10-hour rule. Four and one-half hours in the sleeper berth will restore the driver’s eligibility to drive for 4 additional hours. | |
| (2) If the next turn in the sleeper berth does not restore the driver’s eligibility to drive, the driver is out-of-service for 8 consecutive hours. Example: Following 8 consecutive hours off duty, a driver drives 6 hours, enters the sleeper berth 6 hours and then drives for 10 hours—resulting in a 6-hour violation of the 10-hour rule and 1-hour violation of the 15-hour rule. Since a 2 hour period in the sleeper berth will not restore the driver’s eligibility to drive, the driver is out-of-service for 8 consecutive hours. | |
| 3. Driving after having been on duty more than 60 or 70 hours in 7 or 8 consecutive days (combined driving and on-duty time): To be placed out-of-service until on-duty time in 8 consecutive days totals less than 70 hours. (Time to be released from out-of-service starts at 12:01 a.m. on the following day or each succeeding 24-hour period until hours are available). | 395.3B |
| 4. No record of duty status in possession when one is required [see 100 air mile radius exceptions in 49 CFR 395.8(1)]: To be placed out-of-service for 8 consecutive hours. | 395.8A1 |
| 5. A record of duty status not in conformance with CFR Title 49 Part 395.13(b)(3): To be placed out-of-service for 8 consecutive hours. (Note: Driver shall be given the opportunity to complete record of duty status for current day and prior day if records of duty status for 6 previous days are completed). | 395.8F |
| 6. Driver who has prepared record of duty status for the current day and the prior day, but has not prepared records for the preceding 5 days will be placed out of service for 8 consecutive hours. | 395.13A |
| NOTE: (1) A driver involved in sleeper berth operation (sleeper team) placed out-of-service for hours violations can be replaced by a co-driver, if the co-driver has hours available to drive. | |
| NOTE: (2) A solo driver using a sleeper berth to obtain rest, who exceeds the hours of service limitations shall be placed out-of-service until the driver has hours available to drive. (e.g., 5 hours driving, 4 hours sleeper berth, 6 hours driving to be placed out-of-service in sleeper berth for 4 hours; at this time the driver will have 4 hours driving time available.) | |
APPENDIX B
VEHICLE OUT-OF-SERVICE CRITERIA
VEHICLE OUT-OF-SERVICE CRITERIA
The criteria set forth in this appendix shall be governing and unequivocally observed in declaring and marking vehicles ‘‘out-of-service.’’
The alpha and numeric identifiers following the FMCSR or HMR section number distinguish between violations having the same section number, which permits the selective storage and retrieval of data in the Management Information System.
| VIOLATION IDENTIFICATION CODE | |
| 1. BRAKE SYSTEM. | |
| Vehicle(s) are out-of-service when one or a combination of a or b exist. | |
| a. Defective Brakes. The number of defective brakes is equal to or greater than 20 percent of brakes on the vehicle or combination. A defective brake includes any brake that meets one of the following criteria: (Note: Check steering axle brakes under par. 1b) | |
| (1) Absence of braking action upon application of the service brakes (such as brake shoe(s) failing to move upon application of a wedge, s-cam, cam, or disk brake). | 393.48A |
| (2) Missing or broken mechanical components including: shoes, springs, anchor pins, spiders, cam rollers, push-rods, and cam shaft support brackets. | 393.48A |
| (3) Loose brake components including air chambers, spiders, and cam shaft support brackets. | 393.48A |
| (4) Audible air leak at brake chamber (ruptured diaphragm). Note: Also check under air loss rate. | 396.3AA |
| (5) Readjustment limits. (Note: 20% or more of a vehicle’s brakes must be out of adjustment as defined below). | |
| (a) One brake at 1/4 inch or more beyond the readjustment limit. (Example: Type 30 measured at 2 1/4 inch would be one defective brake). See Table B-1. | 396.3E |
| (b) Two brakes less than 1/4 inch beyond the readjustment limit also equal one defective brake. (Example: two Type 30 brake chamber push rods measured at 2 1/8 inch would be one defective brake.) See Table B-1. | 396.3E |
| (6) Brake linings or pads. | |
| (a) Cracked so that lining or pad is not firmly attached to the shoe. | 393.47A |
| (b) Saturated with oil, grease, or brake fluid, or | 393.47A |
| (c) Thickness less than: | 393.47A |
| (i) 2/32-Inch at thinnest point if bonded. | |
| (ii) 1/32-Inch above rivet head at thinnest point if riveted. | |
| (iii) 1/8-Inch at center of shoe if bolted. | |
| (7) Missing brake on any axle required to have brakes. | 393.42A |
| b. Unbalanced Steering Axle Brakes. | |
| Note: Steering axle brakes include power unit, full trailer, or dolly. | |
| (1) Absence of braking action on one wheel on the steering axle of any vehicle including a dolly and front axle of a full trailer, when the other wheel has an operative brake. | 393.48A |
| (2) Adjustment balance. When the difference in brake push-rod stroke between each side of a motor vehicle steering axle is 1/2 inch or more, or when one of the steering axle brakes is 1/4 inch or more beyond the readjustment limit. See Table B-1. | 396.3E |
| (3) Brake Linings or Pads: | |
| (a) cracked so that lining or pad is not firmly attached to the shoe. | 393.47A |
| (b) saturated with oil, or grease, or brake fluid, or | 393.47A |
| (c) thickness less than: | 393.47A |
| (i) 2/32-Inch at thinnest point if bonded. | |
| (ii) 1/32-Inch above rivet head at thinnest point if riveted. | |
| (iii) 1/8-Inch at center of shoe if bolted. | |
| c. Parking Brake System. No brakes on the vehicle or combination are applied upon actuation of the parking brake control. Including driveline hand controlled parking brake. | 393.41 |
| d. Brake Drums or Rotors. | |
| (1) With any external crack or cracks that open upon brake application. (Note: Do not confuse short hairline heat check cracks with flexural cracks.) | 396.3A1 |
| (2) Any portion of the drum or rotor missing or in danger of falling away. | 396.3A1 |
| e. Brake Hose. | |
| (1) Hose with any damage extending through the outer reinforcement ply. (Rubber impregnated fabric cover is not a reinforcement ply). (Thermoplastic nylon may have braid reinforcement or color difference between cover and inner tube. Any damage to inner color is out-of-service). (Note: See example in Appendix E. Damage must be through outer casing and one ply of fabric). | 393.45A |
| (2) Hose with audible leak at other than a proper connection. | 396.3AA |
| (3) Air hose cracked, broken or crimped. | 393.45A |
| f. Brake Tubing. | |
| (1) Tubing with an audible leak at other than a proper connection. | 396.3AA |
| (2) Tubing cracked, damaged by heat, broken or crimped. | 393.45A |
| g. Low Pressure Warning Device. Missing, inoperative, or does not operate at 55 psi and below. (Note: Check exemptions in 67 Pa. Code § 231.242 (relating to warning devices and gauges).) | 393.51A |
| LEAKS AT CONNECTIONS | |
| h. Air Loss Rate, if an air leak is discovered and the reservoir pressure is not maintained when: | 393.46A |
| governor is cut-in, |
| LEAKS AT OTHER THAN CONNECTIONS | |
| reservoir pressure is between 80 and 90 psi. | 396.3AA |
| engine is at idle, and | |
| service brakes are fully applied. | |
| (Note: all four conditions apply) | |
| i. Air Check Valve. Inoperable or missing air supply one way check valve(s) on power unit. | 393.50C |
| j. Air Compressor. (Normally to be inspected when readily visible.) Compressor drive belts in condition of impending or probable failure. | 396.3AC |
| k. Electric Brakes. Absence of braking action on 20 percent or more of the braked wheels of a vehicle or combination of vehicles. | 393.48A |
| l. Hydraulic Brakes. (Including: Power assist vacuum-over hydraulic and engine driven hydraulic booster.) | |
| (1) No pedal reserve with engine running except by pumping pedal. | 396.3Y2 |
| (2) Power assist unit fails to operate. | 393.3Y3 |
| (3) Missing or inoperative check valve. | 396.3Y4 |
| (4) Has any visually observed leaking hydraulic fluid in the brake system. | CONNECTIONS 393.46A |
| OTHER THAN CONNECTIONS | |
| 396.3Y5 | |
| (5) Has hydraulic hose(s) abraded (chafed) through outer cover-to-fabric layer. Fluid lines or connections leaking, restricted, crimped, cracked or broken. | 393.45A |
| (6) Brake failure or low fluid warning light on. | 393.48A |
| m. Vacuum Systems. Any vacuum system which: | |
| (1) Has insufficient vacuum reserve to permit one full brake application after engine is shut off. | 393.50B |
| (2) Has vacuum hose(s) or line(s) restricted, abraded (chafed) through outer cover to cord ply, crimped, cracked, broken or has collapse of vacuum hose(s) when vacuum is applied. | 393.45A |
| (3) Lacks an operative low-vacuum warning device as required. (Note: Check for exemption in 49 CFR 393.51(g)). | 393.51A |
| 2. COUPLING DEVICES. | |
| a. Tow-bar, Fifth Wheel, Saddlemount and Pintle Hook: | |
| (1) Any adjustable tow-bar or fifth wheel with one-fourth or more of the locking pins missing or out of position. | 393.70A |
| (2) Any adjustable fifth wheel locking mechanism that does not remain in the locked position. | 393.70A |
| (3) Any leakage in adjustable fifth wheel locking mechanisms dependent on fluid energy or air pressure. | 393.70A |
| (4) Any crack, break or damaged part in the stress or load-bearing areas of a coupling device. | LOWER HALF 393.70A UPPER HALF 393.70B FULL TRAILER 393.70C |
| DRIVEAWAY/ TOWAWAY | |
| 393.71A | |
| EXCEPTIONS: | |
| (a) Crack in a ramp or on the horn of fifth wheel. | |
| (b) Casting shrinkage cracks in the ribs of the body of a cast fifth wheel. | |
| (5) Mounting plates and brackets, including bolts, nuts, welds, rivets and pins (but not including adjustable features) which are loose, worn or broken so as to permit 1/4 inch or more observable relative motion between the mounting components and the frame of the vehicle. | 393.70A |
| (6) Fifth wheel and tow-bar play: | |
| (a) Play lengthwise of the vehicle exceeding 1 inch between the upper and lower fifth wheel halves. | 393.70A |
| (b) Where provision is made for adjustment of a fifth wheel lower half or tow bar, relative to the vehicle frame, there is more than 1 inch of play lengthwise of the vehicle in any such adjustment when locked or latched in position. | FIFTH WHEEL 393.70A FULL TRAILER 393.70C DRIVEAWAY/ TOWAWAY 393.71A |
| (7) Safety Devices. A safety chain, cable or other device missing, not properly attached or is worn, abraded or otherwise damaged to the extent that it is no longer reliable to hold the towed unit. | 393.70C |
| 3. EXHAUST SYSTEM. | |
| (a) Gasoline or LPG-powered truck or truck tractor exhaust system determined to be leaking or discharging at a point forward of or directly below the driver/sleeper compartment. | 393.83C |
| (b) A bus exhaust system leaking or not discharging to the atmosphere at an outside edge of the vehicle. | 393.83B1 |
| 4. FUEL SYSTEM. | |
| a. A fuel system with a visible leak at any point. | 393.67D |
| b. A fuel tank filler cap missing. | 393.67C |
| c. A fuel tank not securely attached to the motor vehicle by reason of loose, broken or missing mounting bolts or brackets. (Note: Some fuel tanks use springs or rubber bushings to permit movement). | 393.65C |
| 5. LIGHTING DEVICES. | |
| a. During the period of 1/2 hour after sunset to 1/2 hour before sunrise: | |
| (1) Head Lamps—The single vehicle or towing vehicle does not have at least one head lamp operative on low beam. | 393.9 |
| (2) Lamps on rear—Bus, truck, truck tractor and towed vehicle (including driveaway-towaway operation) not having at least one steady burning red lamp on the rearmost vehicle, visible from 500 feet. | 393.9A |
| (3) Lamps on projecting loads—There is not at least one operative steady burning red or amber lamp on the rear of loads projecting more than 4 feet beyond the vehicle body, visible from 500 feet. | 393.9B |
| b. At anytime day or night: | |
| (1) Does not have at least one operative stop lamp on the rear of a single unit vehicle or the rearmost vehicle of a combination of vehicles. | 393.9C |
| (2) Does not have operative turn signal on each side of the rear of a single unit vehicle or the rearmost vehicle of a combination of vehicles. | 393.19 |
| 6. SAFE LOADING. | |
| a. Part(s) of vehicles or condition of loading such that the spare tire or any part of the load or dunnage can fall onto the roadway. | 392.9A |
| b. Protection against shifting cargo—Any vehicle without a front-end structure or equivalent device as required by 67 Pa. Code § 231.314 (relating to front-end structure). | 393.106A |
| 7. STEERING MECHANISM. | |
| a. Steering wheel free play: | 396.3A5 |
| Steering Wheel Diameter 16" 18" 20" 21" 22" | |
| Manual System Movement 30° or 4 1/2"+ 4 3/4"+ 5 1/4"+ 5 1/2"+ 5 3/4"+ | |
| Power System Movement 45° or 6 3/4"+ 7 1/8"+ 7 7/8"+ 8 1/4"+ 8 5/8"+ | |
| Note: For power systems, if steering wheel movement exceeds 45° before steering axle tires move, proceed as follows: rock steering wheel left to right between points of power steering valve resistance. If that motion exceeds 30° (or the inch movement values shown for manual steering) vehicle shall be placed out-of-service. | |
| b. Steering Gear Box. | 396.3A5 |
| (1) Any mounting bolt(s) loose or missing. | |
| (2) Any crack(s) in gear box or mounting brackets. | |
| c. Pitman Arm: Any looseness of the pitman arm on the steering gear output shaft. | 396.3A5 |
| d. Ball and Socket Joints. | 396.3A5 |
| (1) Any movement of a stud nut under steering load. | |
| (2) Any motion, other than rotational, between any linkage member and its attachment point of more than 1/4 inch. | |
| e. Tie Rods and Drag Links. | 396.3A5 |
| (1) Loose clamp(s) or clamp bolt(s) on tie rods or drag links. | |
| (2) Any looseness in any threaded joint. | |
| f. Nut(s) loose or missing on tie rods, pitman arm, drag link, steering arm or tie rod arm. | 396.3A5 |
| g. Steering System. Any modification or other condition that interferes with free movement of any steering component. | 396.3A5 |
| 8. SUSPENSION. | |
| a. Any U-bolt(s), spring hanger(s) or other axle positioning part(s) cracked, broken, loose or missing resulting in shifting of an axle from its normal position. Note: After a turn, lateral axle displacement is normal with some suspensions. Forward or rearward operation in a straight line will cause the axle to return to alignment. | 396.3L |
| b. Spring Assembly. | |
| (1) One-fourth or more of the leaves in any leaf spring assembly broken or missing. | 396.3M1 |
| (2) Broken main leaf in a leaf spring assembly. | 396.3M1 |
| (3) Coil spring broken. | 396.3M5 |
| (4) Rubber spring missing. | 396.3M6 |
| (5) One or more leaves displaced in a manner that could result in contact with a tire, rim, brake drum or frame. | 396.3M2 |
| c. Frame. | |
| (1) Any cracked, loose, sagging or broken frame member permitting shifting of the body onto moving parts or other condition indicating an imminent collapse of the frame. | 396.3S |
| (2) Any cracked, loose or broken frame member adversely affecting support of functional components such as steering gear, fifth wheel, engine, transmission, body parts and suspensions. | 396.3S |
| (3) One and 1/2 inch or longer crack in frame web which is directed toward bottom flange. | 396.3S |
| (4) Any crack extending from the frame web around the radius and into the bottom flange. | 396.3S |
| (5) One inch or longer crack in bottom flange. | 396.3S |
| d. Tire and Wheel Clearance. Any condition, including loading, that causes the body or frame to be in contact with a tire or any part of the wheel assemblies, at the time of inspection. | 396.3T |
| 9. TIRES. | |
| a. Any tire on any steering axle of a power unit: | |
| (1) With less than 2/32 inch tread when measured in any two adjacent major tread grooves at any location on the tire. | 393.75B |
| (2) When any part of the breaker strip or casing ply is showing in the tread. | 393.75A |
| (3) When sidewall is cut, worn or damaged to the extent the ply cord is exposed. | 393.75A |
| (4) Labeled ‘‘Not for Highway Use’’ or otherwise marked and having like meaning, except vehicles permitted to operate with oversize wheels and tires under 75 Pa.C.S. § 4969 (relating to permit for movement of vehicles with oversize wheels and tires.) | 393.75E |
| (5) A tube-type radial tire without radial tube stem markings. These markings include a red band around the tube stem, the word ‘‘radial’’ embossed in metal stems, or the word ‘‘radial’’ molded in rubber stems. | 393.75F |
| (6) Mixing bias and radial tires on the same axle. | 393.75G |
| (7) Tire flap protrudes through valve slot in rim and touches stem. | 393.75H |
| (8) Regrooved tire except motor vehicle used solely in urban or suburban service. Note: See exception 49 CFR 393.75(e). | 393.75I |
| (9) Visually observable bump, bulge or knot apparently related to tread or sidewall separation. | 393.75E |
| (10) Boot, blowout patch or other ply repair. | 393.75E |
| (11) Weight carried exceeds tire load limit. This includes overloaded tire resulting from low air pressure. | 393.75J |
| (12) Tire is flat or has noticeable (e.g., can be heard or felt) leak. | 393.75E |
| (13) Any bus equipped with recapped or retreaded tire(s). | 393.75D |
| (14) So mounted or inflated that it comes in contact with any part of the vehicle. | 393.75E |
| b. All tires other than those found on the steering axle of a powered vehicle. | |
| (1) Weight carried exceeds tire load limit. This includes overloaded tire resulting from low air pressure. | 393.75J |
| (2) Tire is flat or has noticeable (e.g., can be heard or felt) leak. | 393.75E |
| (3) Bias Ply Tire: When more than one ply is exposed in the tread area or sidewall or when the exposed area of the top ply exceeds 2 square inches. | 393.75A |
| (4) Radial Ply Tire: When two or more plies are exposed in the tread area or damaged cords are evident in the sidewall or when the exposed area exceeds 2 square inches, tread or sidewall. | 393.75A |
| (5) Single tires on any position with visually observable bump or knot apparently related to tread or sidewall separation. | 393.75E |
| (6) So mounted or inflated that it comes in contact with any part of the vehicle. | 393.75E |
| (7) Is marked ‘‘Not for Highway Use’’ or otherwise marked and having like meaning, except vehicles permitted to operate with oversize wheels and tires under 75 Pa.C.S. § 4969 (relating to permit for movement of vehicles with oversize wheels and tires). | 393.75E |
| (8) So worn that less than 1/32 inch tread remains when measured in any two adjacent major tread grooves at any location on the tire. EXCEPTION: On dual wheels, both tires must have less than 1/32 inch tread. | 393.75C |
| 10. WHEELS AND RIMS. | |
| a. Lock or Side Ring. Bent, broken, cracked, improperly seated, sprung or mismatched ring(s). | 396.3H |
| b. Rim Cracks. Any circumferential crack except at valve hole. | 396.3H |
| c. Disc Wheel Cracks. Cracked between: | 396.3I |
| (1) hand hole and another hole, or between, | |
| (2) stud holes, or both. | |
| d. Stud Holes (disc wheels). 50 percent or more elongated stud holes (fasteners tight). | 396.3I |
| e. Spoke Wheel Cracks. Two or more cracks more than 1 inch long across spoke or hub section. | 396.3J |
| f. Tubeless Demountable Adapter Cracks. Cracks at three or more spokes. | 396.3K |
| g. Fasteners. Fastener positions (both spoke and disc wheels) ineffective as follows: for 10 fastener positions: 3 anywhere, 2 adjacent; for 8 fastener positions or less (including spoke wheels): 2 anywhere. | 396.3K |
| h. Welds. | |
| (1) Any crack in welds attaching disc wheel disc to rim. | 396.3I |
| (2) Any crack in welds attaching tubeless demountable rim to adapter. | 396.3K |
| (3) Any welded repair on aluminum wheel(s) on a steering axle. | 396.3I |
| (4) Any welded repair other than disc to rim attachment on steel disc wheel(s) mounted on the power unit steering axle. | 396.3I |
| 11. WINDSHIELD WIPERS. Any power unit that has an inoperative wiper or missing or damaged parts that render it ineffective on the driver’s side. (Applicable only in inclement weather requiring use of windshield wipers.) | 393.78 |
| 12. HAZARDOUS MATERIALS OUT-OF-SERVICE CRITERIA FOR PLACARDED VEHICLES ONLY. | |
| a. Shipping papers. When transporting hazardous materials not accompanied by a shipping paper which indicates the hazardous materials being transported. | 177.817A |
| b. Placarding. When 50 percent or more of the required placards for a hazard class are missing or misrepresent the H/M being transported. | MISSING 177.823A1 IMPROPER 177.823A2 |
| c. Cargo Tanks. | |
| (1) When the emergency discharge valve(s) (commonly called the internal valve) is missing or in the open position. | FLAMMABLE LIQUID 177.837E2 CORROSIVE LIQ. 177.839D2 POISON 177.841D2 |
| (2) When transporting hazardous materials in a cargo tank not authorized for the material being transported. | 173.33 |
| (3) When transporting hazardous material in a cargo tank which is missing the required certification plate. | 173.33 |
| (4) When any hazardous materials being transported in a cargo tank with open or unsecured manhole cover(s). | FLAMMABLE LIQ. 177.837E1 CORROSIVE LIQ. 177.839D1 POISON 177.841D1 |
| See exceptions for combustible liquids found in 49 CFR 173.118a. | |
| (5) When transporting hazardous materials in a cargo tank when 50 percent or more of the required ID numbers are missing or misrepresent the material being transported. | 177.823B2 |
| d. Packaging. | |
| (1) Hazardous materials/waste leaking in or from a transport vehicle. Note: Use 49 CFR 396.7 for combustible liquids which are excepted in 49 CFR 173.118a. | 177.801A |
| (2) Unauthorized packaging, including portable tanks, for the H/M transported. | 177.801A |
| e. Loading and securement. | |
| (1) Transporting explosives, radioactive materials, flammable liquids, flammable solids, oxidizing materials, corrosive materials, compressed gases or poisons which are not blocked or braced to prevent motion relative to vehicle while in transit. | 177.834A |
| (2) Transporting incompatible commodities as listed in the Loading and Storage Chart of 49 CFR 177.848. | 177.848 |
| (3) Transporting packages bearing poison labels in the same vehicle with foodstuffs, feed or other edible material intended for consumption by humans or animals. (See the exception found in 49 CFR 177.841.) | 177.841E |
| (4) Transporting unauthorized hazardous materials in a motor vehicle transporting passengers for hire. | 177.870 |
| f. Route Plan. | |
| (1) Failure of the driver to have in possession a written route plan while transporting Class A or B Explosives. | 397.9B |
| (2) Failure of the driver to have in possession a written route plan while transporting a Highway Route Controlled Quantity of RAM. | 177.825A |
| g. Radioactive Materials Radiation Levels. | |
| (1) Exclusive use vehicles. (See definition and requirements in 49 CFR 173.403(i) & 173.441): | |
| (a) When measurement exceeds 1,000 mrem/hr at accessible surface of vehicle, or | 173.441B2 |
| (b) When measurement exceeds 20 mrem/hr at 2 meters from surface of vehicle, or | 173.441B3 |
| (c) When measurement exceeds 20 mrem/hr in a space normally occupied by a person(s). | 173.441B4 |
| (2) Nonexclusive use vehicles: When the minimum separation distance (See 49 CFR 177.842) is less than authorized and when radiation levels exceed those listed in (a) through (c) under Exclusive Use Vehicles. | 177.842B |
Brake Adjustment. Shall not meet or exceed those specifications contained hereunder relating to maximum stroke at which brakes should be readjusted. (Dimensions in inches.)
| TYPE | EFFECTIVE AREA (SQ. IN.) | OUTSIDE DIAMETER | MAXIMUM STROKE | MAXIMUM STROKE WITH BRAKES ADJUSTED | MAXIMUM STROKE AT WHICH BRAKES SHOULD BE READJUSTED |
| A | 12 | 6-15/16 | 1-3/4 | Should be | 1-3/8 |
| B | 24 | 9-3/16 | 2-1/4 | as short as | 1-3/4 |
| C | 16 | 8-1/16 | 2-1/4 | possible | 1-3/4 |
| D | 6 | 5-1/4 | 1-5/8 | without | 1-1/4 |
| E | 9 | 6-3/16 | 1-3/4 | brakes | 1-3/8 |
| F | 36 | 11 | 3 | dragging | 2-1/4 |
| G | 30 | 9-7/8 | 2-1/4 | 2 | |
| TYPE | OUTSIDE DIAMETER | MAXIMUM STROKE WITH BRAKES ADJUSTED | MAXIMUM STROKE AT WHICH BRAKES SHOULD BE READJUSTED |
| 9 | 4-9/32 | Should be | 1-1/2 |
| 12 | 4-13/16 | as short as | 1-1/2 |
| 16 | 5-13/32 | possible | 2 |
| 20 | 5-15/16 | without | 2 |
| 24 | 6-13/32 | brakes | 2 |
| 30 | 7-1/16 | dragging | 2-1/4 |
| 36 | 7-5/8 | 2-3/4 | |
| 50 | 8-7/8 | 3 | |
| CLAMP TYPE BRAKE CHAMBER DATA | |||
| 6 | 4-1/2 | Should be | 1-1/4 |
| 9 | 5-1/4 | as short as | 1-3/8 |
| 12 | 5-11/16 | possible | 1-3/8 |
| 16 | 6-3/8 | without | 1-3/4 |
| 20 | 6-25/32 | brakes | 1-3/4 |
| 24 | 7-7/32 | dragging | 1-3/4 (SEE NOTE) |
| 30 | 8-3/32 | 2 | |
| 36 | 9 | 2-1/4 | |
MOVEMENT OF THE SCRIBE MARK ON THE LINING
SHALL NOT EXCEED 1/16 INCH.
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