Subsection 13 (GEARBOX AND 4X4 COUPLING UNIT (WITH EXTERNAL SWITCHES))
vmr2006-022-012_a
1. Backlash measurement tool
2. Mark on tab
A. 47 mm (1.85 in)
6. Position the head of the dial indicator, against
the tab at a 90° angle and on the line. Then,
gently rotate the output shaft.
This reading gives the backlash measurement.
Refer to the following table for backlash specifi-
cations.
OUTPUT SHAFT BACKLASH
NEW
0.10 mm to 0.20 mm
(.0039 in to .0079 in)
SERVICE LIMIT
0.25 mm (.0098 in)
If backlash is not within the specification, remove
the output shaft and select the next thicker or thin-
ner shim to meet the specifications.
NOTE:
Use next thicker shim to increase back-
lash and next thinner shim to reduce backlash.
Removing the Output Shaft and
Coupling Mechanism
1. Remove actuator.
2. Remove the bearing cover with oil seal.
3. Unscrew all bolts retaining the right housing to
the center housing.
4. To remove right housing, use 2 big screw-
drivers.
vmr2006-022-021
POSITION FOR BIG FLAT SCREWDRIVER
vmr2006-022-022
POSITION FOR BIG FLAT SCREWDRIVER
5. Remove output shaft.
REQUIRED TOOL
Soft hammer
14
vmr2016-422