KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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7.5 CONTENTS AND PROCEDURE OF MAINTENANCE OPERATIONS
7.5.1 Change of oil in the engine
Put the tractor on a horizontal ground. In order to achieve better results, change oil in
the
engine being heated
.
1. In order to drain oil, undo the drain plug on the oil drip pan of the engine and take
off the lid of oil filler port after cleaning it from dust and dirt.
On K-744R1St tractors (with YaMZ-238ND5 engine), additionally undo the plug on
the upper header of engine oil radiator for oil drainage from the radiator to the oil drip
pan.
After full drainage, screw in the plugs.
2. Clean the oil filler port from dust and dirt before filling oil therein. Through the oil
filler port, fill oil into the engine. Check tightening of drain plug of the oil drip pan.
Use oil probe to monitor the oil level.
3. In order to fill oil into the engine lubrication system, run the engine for 2...3 minutes
and refill oil in 10...15 minutes after the stop.
7.5.2 Adjustment of cylinder valves at 8481 engine
In order to perform the cylinder adjustment operation, it is required to dismantle the
plastic arch on the tractor and mount it back after the adjustment.
Right-hand row of cylinders
Left-hand row of cylinders
Tools for execution of work:
1. A set of ratchet wrenches - 1 set.
2. Combined wrench with open-end part for (10-24) mm.
3. White marker for metal (to mark out outlines of brackets and fasteners).
TRACTOR TRAVEL DIRECTION
