Thomas 85 - Hour Service Check

31
4 MAINTENANCE
4. 4 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. 7B for
installation details). Change the oil filter every 150
hours.
1. 2 Engine Oil:
Change the engine oil. Use 10W30 API classification
SE/CD oil. (Refer to Section 4. 7B).
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.
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.
1. 5 Fan Belt Tension and Condition:
Check fan belt for cuts or wear, if necessary replace.
Check tension and adjust.(See Section 4. 8 - 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.
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. (See
Section 4. 3C)
1. 8 Exhaust System:
Visually inspect the exhaust system and ensure all
clamps are secure and the manifold bolts/nuts are tight.
Check muffler for carbon and soot buildup or
plugging.
1. 9 Engine Speed:
Check and if necessary adjust engine R.P.M.
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 oil filter. Change the hydraulic
filter every 150 hours after the initial change.
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 only 10W30 API
classification SE/CD oil. 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 leakage.
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 boom 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