SYMPTOM
PROBLEM: REMEDY
OIL FOAMY
Oil is low: Add or replace oil.
Wrong oil type: Replace oil.
Foamy oil: Add or 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 replace
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.
CONTROL VALVE LEAKS
Seals damaged or worn: Replace.
CYLINDER LEAKS
Seals worn or damaged: Replace.
Rod damaged: Replace.
Barrel damaged: Replace.
CYLINDERS DO NOT FUNCTION, OR CREEP
WITH PTO DISENGAGED
Leaking fittings or cylinder seals: Tighten loose fittings,
replace seals. Replace worn seals or fittings.
5-2 HYDRAULIC POWER SUPPLY ENGINE PACKAGE
To troubleshoot the engine in the hydraulic engine package, please refer to the owners manual that
was provided with the engine package.
5-2
Hydraulic System, Continued
Summary of Contents for 330A
Page 3: ...MODEL 330A SEMITRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Page 8: ......
Page 12: ......
Page 20: ...3 8 Figure 3 3 Steps for Loading and Unloading...
Page 26: ...3 14 Figure 3 7 Rear Impact Guard System...
Page 34: ...4 6 Figure 4 2 330A Wiring Diagram...
Page 35: ...4 7 Figure 4 3 Remote Wiring Diagram...
Page 40: ...4 12 Figure 4 6 Examples of Camber Figure 4 7 Checking Axle for Bend...
Page 44: ...4 16 Figure 4 11 Axle and Brake Assembly...
Page 47: ...4 19 Figure 4 13 Three Spoke Wheel and Drum Figure 4 14 Outboard Mount Hub and Drum...
Page 52: ...4 24 Figure 4 19 Mounting Tires and Wheels Figure 4 20 Stud Tightening Sequence...
Page 54: ......
Page 62: ...NOTES 5 8...