MAINTENANCE/SERVICE – M150 ENGINE
Form 169017 139 Issue – June 2008
7.9.8.2 Changing Lubricant
Change gearbox lubricant after the first 50 hours
and then at 500 hours as follows:
NOTE
The engine should be warm prior to
changing the oil.
a. Stop the engine and remove the key.
b. Place a drain pan of about 1 U.S. gallon (4 litres)
under the gearbox.
c. Remove drain plug (C) and allow the oil to
completely finish draining.
d. Install the drain plug (C) and remove the check
plug (A).
e. Unscrew breather cap (B) and add lubricant.
The gearbox will require 2.2 U.S. quarts (2.1
litres). Add sufficient lubricant until it slightly
runs out of hole (A). Use SAE 75W-90 API
Service Class GL-5, Fully Synthetic
Transmission Lubricant. SAEJ2360 preferred.
f. Operate the engine at low idle and check for
leaks at the check plug and drain plug.
A
C
B
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