31. MAINTENANCE
4-18
31.1.3 POWER TRAIN
n CHANGE OIL IN TORQFLOW TRANSMISSION CASE; CLEAN TORQFLOW TRANSMISSION STRAINER
1. Remove the drain plug, drain the oil, then reinstall and
tighten the drain plug.
2. Remove the mounting bolts, take out the strainer, and
wash it off in flushing oil.
3. After washing the strainer, blow air from the inside of the
strainer to dry it completely, then reinstall the strainer.
4. Add the specified amount of oil through the oil filler port.
5. After filling with oil, check the oil level.
Always use genuine Komatsu Forklift or DEXRON II Auto-
matic Transmission Fluid.
n CHANGE OIL IN DIFFERENTIAL CASE (INCLUDES OIL IN TRANSMISSION CASE ON CLUTCH-TYPE
LIFT TRUCKS)
1. Remove the oil filler plug, then remove the drain plug and
drain the oil.
2. After draining the oil, reinstall and tighten the drain plug and
add the specified amount of Komatsu Forklift oil through the
oil filler.
3. After filling with new oil, check the oil level.
Always use genuine Komatsu Forklift gear oil (SAE 90). See
“LUBRICANT LIST” on page 4-2 for details.
Specified oil refill amount
TORQFLOW transmission
(including torque converter)
3.17 US gal (12 L)
(2.64 UK gal)
Specified oil refill amount
Clutch-type lift truck 3.43 U.S. gal. (13 L) (2.86 UK gal.)
TORQFLOW
transmission lift truck
1.59 U.S. gal. (6 L) (1.32 UK gal.)
Watch out for HOT OIL. Immediately after operations, the oil will be very hot.
Wait for the oil temperature to go down before starting this maintenance operation.
Watch out for HOT OIL. Immediately after operations, the oil will be very hot.
Wait for the oil temperature to go down before starting this maintenance operation.
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