milky look, water has entered transmission.
Air bubbles mean there is a leak in the suc
-
tion lines. Report any of these conditions to
your supervisor.
Do not overfill transmis
-
sion. Overfilling can result in transmission
damage. It is easy to overfill the transmis
-
sion. To avoid overfilling, add oil in small
amounts and recheck level frequently.
4. Check level indicated on dipstick. Add
fluid as needed to maintain level be
-
tween “FULL” and “ADD” marks on dip
-
stick.
5.5.1 Changing Transmission Fluid
When changing oil, dirty oil should be
drained while unit is warm. Examine for
contamination and dispose of properly.
Clean suction screen thoroughly before re-
installing.
1. Fill unit with 4 gallons of recommended
lubricant.
2. Start engine and run at idle to let con
-
verter and oil lines fill.
3. Check level according to 5.5.
Recommended Hydraulic Transmission
Fluid:
ATF type A Dextron III fluid is used in the
transmission and hydraulic reservoir. This
fluid will give good operating characteristics
for all temperature ranges.
5.6 TRANSMISSION ADJUSTMENTS
The clutches in this transmission are hy
-
draulically applied and spring released. This
gives automatic compensation for normal
wear, eliminating the need for adjustment.
5.6.1 Shift Linkage.
The shift linkage is electronically and hy
-
draulically controlled and does not require
adjustment.
To assure smooth operation, periodically in
-
spect all shifter components and replace
any that are worn or damaged. Clean any
grease, dirt, or rust from shifter compo
-
nents.
5.7 NEUTRAL START SWITCH
The neutral start switch is a safety device
which prevents engine from starting if trans-
mission in any shift position other than
NEUTRAL.
The neutral start switch is integrated in the
shifter control and does not require testing.
5.8 REMOVING ENGINE AND
TRANSMISSION AS A UNIT
The engine must be removed first or the en
-
gine and transmission must be removed as
a unit. The transmission is a very large unit
and most hoists, jacks, etc. will not allow
enough room to drop the transmission from
the bottom of the tractor.
To remove the engine only, see 4.2
1. Block rear wheels in both directions to
prevent vehicle from rolling when drive
shafts are disconnected. Shift transmis
-
sion into neutral. Do not apply parking
brake.
2. Drain cooling system coolant, engine oil,
and transmission oil and dispose of
properly. Remove pump from rear of
transmission.
M200 MB4 Tow Tractor Manual No. 42975
PAGE 5-3
JULY 15, 2001
To Next Page
