5
TROUBLESHOOTING GUIDE
Troubleshooting should be performed by a trained technician. Landoll Corporation is not responsible for
equipment that is improperly maintained. Contact an authorized Landoll Service center or the Landoll fac-
tory for servicing.
5-1 HYDRAULIC SYSTEM
Most hydraulic system failures start as a gradual or sudden loss of pressure or flow with a resulting loss of
cylinder or motor power. Any one of the system’s components may be at fault. For maintenance proce-
dures, see
Section 4-4.
SYMPTOM
PROBLEM: REMEDY
TRAILER TILT:
TRAILER LOCKED IN TILTED POSITION
Hydraulic restrictor valve plugged:
Raise the
trailer slightly (to dislodge particle), then lower the
trailer slowly. Clean hydraulic system.
SYSTEM INOPERATIVE
Not enough oil in system:
Fill and check for leaks.
Wrong oil in system:
Change oil, see specifica-
tions.
Filter dirty or clogged:
Drain oil and replace filter.
Oil lines dirty or collapsed:
Clean or replace as nec-
essary.
Air leaks in pump suction line:
Repair or replace as
necessary.
Worn or dirty pump:
Clean, repair or replace.
Check for contaminated oil. Drain and flush.
Badly worn parts:
Examine for internal leakage.
Replace faulty parts. Check for cause of wear.
Leakage:
Check all parts, and relief valve for proper
settings.
Excessive load:
Check unit specifications for load
limits.
Slipping or broken pump drive:
Repair or replace
couplings. Hydraulic supply hooked up backwards.
Worn or dirty hydraulic spool valve:
Clean, repair
or replace. Check for contaminated oil. Drain and
flush.
Worn or malfunctioning dump valve:
Clean, repair or
replace.
SYSTEM OPERATES ERRATICALLY
Air in the system:
Check suction side of system for
leaks. Repair leaks.
Cold oil:
Allow ample warm-up time. Use proper
weight oil for operating temperature.
Dirty or damaged parts:
Clean or repair as needed.
Restriction in filters or lines:
Clean and/or replace fil-
ter or lines.
5-1
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...
