SYMPTOM
PROBLEM: REMEDY
BRAKES RELEASE TOO SLOWLY
Brakes need adjusting or lubrication:
Adjust or lu-
bricate as needed.
Brake rigging binding:
Align brakes or replace bent
parts.
Exhaust port of relay valve restricted or plugged:
Replace valve.
ALL BRAKES DO NOT RELEASE
Air system improperly connected to tractor:
Tighten or adjust connections.
Brake valve on tractor is applied:
Release brake.
Relay emergency valve in emergency position:
Check line pressure and check valve.
Restricted tubing or line:
Locate restriction and re-
move.
Tractor protection valve failure:
Troubleshoot trac-
tor air system.
Parking brakes locked:
Troubleshoot air system.
Moisture in air system:
Check air system.
INSUFFICIENT BRAKES
Brakes need adjusting:
Adjust brakes.
Cams need lubricating:
Lubricate cams.
Brakes need relining:
Reline brakes.
Low air pressure:
Troubleshoot air system.
Relay emergency valve failure:
Replace.
Brakes overheated:
Stop and allow brakes to cool,
locate cause of overheating.
BRAKES GRABBING
Grease on brake linings:
Reline brakes.
Brake rigging binds:
Align brakes or replace bent
parts.
Brake valve on tractor failed or worn:
Replace
valve.
Relay emergency valve failed or worn:
Replace
valve.
EXCESSIVE LEAKAGE WITH BRAKES
RELEASED
Relay emergency valve leaking:
Replace valve.
Leaking tube or hose:
Replace part(s).
EXCESSIVE LEAKAGE WITH BRAKES
APPLIED
Relay emergency valve leaking:
Replace valve.
Leaking brake chamber diaphragm:
Replace brake
chamber.
Call Factory or see qualified Trailer/Brake Techni-
cian
Leaking tubing or hose:
Replace part(s).
EXCESSIVE LEAKAGE WITH EMERGENCY
SYSTEM ONLY APPLIED -NO LEAKAGE
WITH NORMAL BRAKING
Relay emergency valve failure:
Replace valve.
EXCESSIVE WATER PRESENT IN BRAKE
SYSTEM
Reservoir not drained often enough:
Drain reser-
voir daily.
5-7
Содержание 334C
Страница 3: ...MODEL 334C CAR CARRIER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Страница 8: ......
Страница 24: ...3 12 Figure 3 7 Lining Up the Over the Cab Deck Figure 3 8 Loading the Over the Cab Deck...
Страница 28: ...3 16 Figure 3 11 Loading the Lower Deck...
Страница 32: ...3 20 Figure 3 13 Rear Impact Guard and Antilock Brake System...
Страница 40: ...4 6 Figure 4 3 Model 334C Wiring Diagram...
Страница 45: ...4 11 Figure 4 7 Checking Axle for Bend Figure 4 8 Examples of Camber...
Страница 50: ...4 16 Figure 4 12 Axle and Brake Assembly...
Страница 54: ...4 20 Figure 4 14 Outboard Mount Hub and Drum Figure 4 15 Inboard Mount Hub and Drum...
Страница 59: ...4 25 Figure 4 19 Mounting Tires and Wheels Figure 4 20 Stud Tightening Sequence...
Страница 70: ...NOTES 5 10...