LeeBoy 695 Operation, Service And Parts Manual page 144

Maintenance
SYMPTOM
Oil in coolant or coolant in
oil.
Excessive fuel consumption.
No hydraulic power.
All hydraulic systems
function slowly.
Hydraulic functions
make "chattering" noise.
Hydraulic functions drift or
settle.
Control valve sticks or is
hard to operate.
5-48
Table 5-3. Troubleshooting Chart (Cont.)
CAUSE
Leaking cylinder head gasket or liner
packings. Cracked cylinder or block.
Air system restricted.
Fuel system leakage.
Incorrect grade of fuel.
Low hydraulic/transmission oil level.
Hydraulic filter clogged.
Hydraulic pumps or pump drive
coupling damaged or excessive
leakage in hydraulic system.
Low oil level.
Air in hydraulic oil (foamy appearance).
Engine RPM low.
Hydraulic filter clogged.
Low pump flow or excessive leakage in
system.
Low oil level.
Hydraulic filter restricted.
Hydraulic filter relief valve stuck open
or setting is too low.
Cylinder or control valve leakage.
Control valve linkage binding or out of
adjustment.
Control valve linkage binding
Broken return spring in control valve.
Contamination in valve bore, scored
valve bore, or bent valve spool.
REMEDY
Refer to Cummins engine manual.
Clean or replace air filter elements.
Refer to Cummins engine manual. Drain
and flush fuel tank and refill with correct
grade of fuel. Replace fuel filter. Check
for clogged hydraulic oil cooler. See your
authorized dealer.
Add oil to the hydraulic oil reservoir to the
correct level. Replace filter element. See
your authorized dealer.
Add oil to the hydraulic oil reservoir to the
correct level.
Inspect charge side hoses and fittings
to pump for leakage. Tighten fittings or
replace hoses and fittings as required.
Inspect speed control linkage for damage.
Repair or replace parts as required and
adjust linkage.
Replace filter element.
See your authorized dealer.
Add oil to the hydraulic oil reservoir to the
correct level.
Replace filter element.
See your authorized dealer.
See your authorized dealer.
Repair and/or adjust linkage.
Repair linkage.
See your authorized dealer.
LeeBoy Model 695 Motor Grader