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4...MAINTENANCE
4. 3 50 HOUR SERVICE CHECK
The following service check is to be performed by your
dealer after the first 50 hours of operation.
1 Engine
1. 1 Oil Filter:
Change the engine oil filter. Use only original
replacement parts. Refer to section 4. 7 - 3 for
installation details. Change the oil filter every 150
hours.
1. 2 Engine Oil:
Change the engine oil (See Section 5 for appropriate
oil specifications). Refer to section 4. 7 - 3 for
procedure. Change engine oil every 150 hours.
1. 3 Coolant Level:
Check that the coolant is to the proper level. The
cooling system is filled with a 50% mixture of ethylene
glycol and water. (see Section 4. 7 - 4)
1. 4 Radiator for Leakage and Dirt:
If necessary flush the radiator with compressed air. A
dirt buildup on the radiator cooling fins can cause both
engine and hydraulic system overheating. Check
rubber gasket on radiator baffle.
1. 5 Fan Belt Tension and Condition:
Check fan belt for cuts and wear, if necessary replace.
Check tension and adjust as shown Section 4. 7 - 5.
1. 6 Fuel System for Leaks:
Make a visual inspection of fuel system for leaks and
potential hazards such as fuel line(s) touching exhaust
manifold, flywheel, etc. Replace fuel filter every 400
hours.
1. 7 Air Intake and Cleaner System:
Visually inspect the air cleaner system and be sure all
hose clamps are secure. Check that the filter indicator
is not indicating that filter service is required.
1. 8 Exhaust System:
Visually inspect the exhaust system and ensure all
clamps are secure and the manifold bolts/nuts are tight.
1. 9 Engine Speed:
Check and if necessary adjust engine R.P.M. See
specifications.
1. 10 Muffler:
Check muffler for carbon and soot buildup and
plugging. If necessary clean.
2 Hydraulic/Hydrostatic
2. 1 Hydraulic Oil Filter:
Change the hydraulic filter only when the filter
indicator changes from green to red or every 150 hrs.
Lubricate the filter cartridge seal with system fluid.
2. 2 Hydraulic Oil Level:
If oil is visible in the oil level sight glass the level
satisfactory. If additional oil is required use
appropriate oil (See Section 5 for specicications). Fill
to the top or maximum check point.
2. 3 Hoses and Pipes:
Make a visual inspection of all hydraulic lines and
fittings for leaks. Check that steel lines do not touch
one another.
2. 4 Cylinders:
Inspect cylinders for leaks. Extend cylinders and
check for rod damage.
2. 5 Hydraulic Functions:
Check that the following operate properly: control
valve float position, auxiliary hydraulic detent,
hydraulic cylinders.
2. 6 Pumps & Motors, Leakage:
Inspect pumps and motors for leaks.
Keep the rear door
closed except for
servicing. Make sure the
door is closed and
latched before operating
the loader.
IMPORTANT
To avoid personal injury:
Never repair or tighten
hydraulic hoses or
fittings with the engine
running or the system
under pressure.
WARNING
To avoid personal injury,
lower the lift arms, shut off
the engine, raise the seat bar
and cycle the hydraulics to
ensure they are locked. Then,
unlatch the seat belt and exit
the loader. Do not enter or
exit with the engine running
unless as specified in this
manual or under specific
service and backhoe
operating procedures.
WARNING
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