SYMPTOM
PROBLEM: REMEDY
SYSTEM OPERATES TOO SLOW
Oil viscosity too high, or “cold oil”:
Allow oil to
warm up before operating.
Low pump drive speed:
Check
Pump Owner s
Manual
for engine speed (RPM s) and pump
specifications.
Low oil level:
Check reservoir and add oil as
needed.
Air in system:
Check suction side for leaks. re-
pair leaks.
Badly worn pump, valves, cylinders, etc.:
Re-
pair or replace faulty part(s) as needed.
Restrictions in lines or filter: Replace filter and flush
lines.
Improper adjustments:
Check ports, relief valves,
etc., adjust as needed.
Oil leaks:
Tighten fittings. Replace seals, gaskets
and damaged lines.
SYSTEM OPERATES TOO FAST
Engine running too fast:
Reduce engine speed.
Call Factory or see Landoll Dealer.
OVERHEATING OF OIL IN SYSTEM
Incorrect, low, dirty oil:
Use recommended oil.
Fill reservoir with clean oil. Replace filter.
Engine running too fast:
Reduce engine speed.
Excessive internal leakage:
Repair or replace
part(s) as needed.
Restriction in filters or lines:
Replace filter or
flush lines.
Insufficient heat radiation:
Clean dirt and mud
from reservoir, hydraulic lines and parts.
Malfunctioning part(s):
Repair or replace.
OIL FOAMY
Oil is low:
Add or replace oil.
Wrong oil type:
Replace oil.
Water in oil:
Replace oil.
Air leaks:
Check suction line and component
seals for suction leaks. Replace defective parts.
NOISY PUMP
Oil is low:
Add or replace oil.
Wrong oil type:
Replace oil.
Foamy oil:
Add or replace oil.
Suction line plugged:
Clean out obstruction or re-
place line. Flush system, replace filter.
Pump damaged:
Repair or replace.
LEAKY PUMP
Damaged or worn shaft seal:
Replace seal
and/or shaft. Check for misalignment.
Loose or broken parts:
Tighten or replace.
CYLINDERS MOVE WITH
CONTROL VALVE IN NEUTRAL POSITION
Leaking cylinder seals or fittings:
Replace worn
seals or fittings.
Control valve not centering when released:
Check linkage for binding, repair or replace as
needed.
Valve damaged:
Repair or replace.
5-2
Summary of Contents for 336C
Page 3: ...MODEL 336C CAR CARRIER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Page 8: ......
Page 24: ...3 12 Figure 3 7 Lining Up the Over the Cab Deck Figure 3 8 Loading the Over the Cab Deck...
Page 28: ...3 16 Figure 3 11 Loading the Lower Deck...
Page 32: ...3 20 Figure 3 13 Rear Impact Guard and Antilock Brake System...
Page 40: ...4 6 Figure 4 3 336C Wiring Diagram...
Page 45: ...4 11 Figure 4 7 Checking Axle for Bend Figure 4 8 Examples of Camber...
Page 50: ...4 16 Figure 4 12 Axle and Brake Assembly...
Page 54: ...4 20 Figure 4 14 Outboard Mount Hub and Drum Figure 4 15 Inboard Mount Hub and Drum...
Page 59: ...4 25 Figure 4 19 Mounting Tires and Wheels Figure 4 20 Stud Tightening Sequence...
Page 70: ...NOTES 5 10...
