Thomas PROTOUGH 900 - 4.4 50 Hour Service

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4. MAINTENANCE
4.4 50 HOUR SERVICE
The 50 hour service is to be performed
by your dealer initially at 50 hours, and
repeated every 150 hours thereafter.
(Starting at 200 hour reading).
4.4A Engine Oil and Filter
Change the engine oil and filter. Use
original equipment replacement parts only.
Use 10W30 motor oil with minimum API
classification CF.
1. Start the engine and allow to operate
for five (5) minutes. See section 3 for
operating procedures.
2. Shut off the engine.
3. Remove the oil drain plug (T90096).
Have a container ready to hold approx-
imately 8.5 quarts (8 liters) of fluid.
4. Remove the engine oil filter with a fil-
ter wrench.
5. Apply clean motor oil to the new oil
filter gasket (C2202). Use only Thomas
approved filters.
6. Install the filter until the gasket con-
tacts the engine block. Hand tighten an
additional 3/4 ~ 1 1/4 turns.
Drain the oil into a suitable container.
Dispose of waste oil in an environmentally
friendly manner.
IMPORTANT
Use caution when removing the drain plug.
The engine oil may be hot enough to burn.
WARNING
C2202
Lubricate oil filter seal
Engine oil drain
T90096
T90044
Engine oil filter