Landoll 345C, Operator'S Manual

Page: 61 / 64

HYDRAULIC SYSTEM (CONTINUED)
SYMPTOM PROBLEM: REMEDY
OVER HEATING OF
OIL IN SYSTEM
Oil passing through relief valve for excessive time: return
control valve to neutral when not in use.
Incorrect, low, dirty oil: use recommended oil. Fill reservoir
with clean oil. Replace filter.
Engine running too fast: reduce engine speed.
Excessive component internal leakage: repair or replace
component as necessary.
Restriction in filters or lines: clean and/or replace filter or
lines.
Insufficient heat radiation: clean dirt and mud from
reservoir and components.
Malfunctioning component: repair or replace.
Excess oil going to dock level circuit: adjust flow divider for
2.5 to 3.1 GPM flow.
FOAMING OF OIL Incorrect, low, dirty oil: replace, clean or add oil as needed.
Air leaks: check suction line and component seals for suction
leaks. Replace defective parts.
NOISY PUMP Low, incorrect, foamy oil: replace, clean, or add oil as
needed.
Suction line plugged: clean out obstruction or replace line.
Flush system, replace filter.
LEAKY PUMP Damaged or worn shaft seal: Replace seal and 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 fit-
tings. Control valve not centering when released: Check
linkage for
binding and repair.
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 worn seals or fittings.
Piloted check valve or O-ring leak: Replace defective compo-
nent.
5-6 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.
5-7