KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
155
Oil level can be checked by undoing the plugs of the reference ports: upper one 5 and lower
one 6 (Fig.18). Before checking the oil level, start the engine and run it for 3...5 min at the
crankshaft rotation rate of 11.7...16.7 s
-1
(700...1000 RPM). Shut off the engine and monitor
the oil level within 3 minutes max. The level shall be between the reference ports. If neces-
sary, refill oil.
If the tractor is equipped with PTO, check the oil level in GB after operation of the engine with
the PTO coupling engaged.
Oil change
a) Undo drain plug 8 (Fig. 18), drain oil. For better removal of spent oil and sludge,
perform drainage immediately after engine shutdown. Clean the plug magnet. Put the
plug back in place.
b) Wash up filter 3 of the gearbox.
c) Install the filter onto the gearbox. Pay
attention
to the fact that pack of filter ele-
ments 10 (Fig. 42) in the assembled filter shall be firmly tightened with nut 13.
d) Undo the plug of the oil filler port.
e) Fill clean oil into the gearbox.
f) Check the oil level in GB.
g) Screw in the plug of the oil filler port.
Washing of the gearbox filter
a) Undo plug 9 (Fig. 42) of the filter and drain oil.
b) Unscrew base 6 and detach cup 7 of the filter assembly from housing 1.
c) Undo nut 13 that fastens filter sections and take out locking nut 12, bushings 4, 11
and filter elements 10.
d) Wash cup 7 and all parts of the filter in diesel fuel.
e) Assemble the filter. Pay
attention
to the fact that pack of filter elements 10 (Fig.
42) in the assembled filter shall be firmly tightened with nut 13.
