Thomas PROTOUGH 900, Owner/Operator And Parts Manual

Page: 34 / 165

32
4. MAINTENANCE
4.3B Engine
Check engine compartment area for
signs of fluid leaks ( T90104 ).
Check the engine oil level. Add mini-
mum API classification CF 10W30 oil if
required (fig. C642).
Check coolant level. Add 50/50 mixture
of ethylene glycol and water if required
(
T90104
).
Check and clean radiator cooling fins
for obstructions. Flush with compressed air
and / or water.
Check the air intake hoses and clamps.
Make sure clamps are tight and no hoses
are chafed.
Check the air restriction indicator.
Replace the element if the indicator shows
red color (
T90119
).
Check battery terminal connections.
Make sure the battery is fastened securely
to its’ compartment (T90104).
Do not exceed 40 PSI (276 kPa) when
servicing the radiator. Wear safety glasses
when using compressed air. Wear rubber
gloves when working with coolant.
WARNING
DO NOT reuse filters by cleaning
and reinserting.
IMPORTANT
Air restriction indicator
Add coolant
Coolant level
Engine compartment
T90104
T90119
C642
Engine oil level
Battery