Removing The Differential Gear Assembly; Checking The Differential Assembly; Checking The Differential Motor - Yamaha Grizzly550 User Manual

FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN-
• The dust boots should be fastened with the
boot bands "3" and "5" at the grooves in the
constant velocity shaft.
M MMM M MMM M M MMM M M MMM M
a. Install the dust boots.
b. Install the dust boot bands "4" and "5".
Use the boot band installation tool "6".
Boots band installation tool
90890-01526
YM-01526
6
L LLL L LLL L L LLL L L LLL L
5. Check:
• Thrust movement free play
Excessive play → Replace the constant ve-
locity shaft assembly.
EAS29950
REMOVING THE DIFFERENTIAL GEAR
ASSEMBLY
1. Remove:
• Differential gear assembly "1"
TIAL ASSEMBLY AND FRONT DRIVE SHAFT
M MMM M M MMM M MMM
4
L LLL L L LLL L LLL
8-11
ECA16200
NOTICE
The ring gear and differential gear are as-
sembled into a proper unit at the factory by
means of specialized equipment. Do not at-
tempt to disassemble this unit. Disassembly
will result in the malfunction of the unit.
EAS29970

CHECKING THE DIFFERENTIAL ASSEMBLY

1. Check:
• Gear teeth
Pitting/galling/wear → Replace differential
pinion gear and differential gear assembly as
a set.
• Bearings
Pitting/damage → Replace.
• Oil seals
• O-rings
Damage → Replace.
2. Check:
• Drive shaft splines
• Pinion gear splines
Wear/damage → Replace.
• Spring
Fatigue → Replace.
3. Check:
• Front drive shaft
Bends → Replace.
EWA15060
WARNING
Do not attempt to straighten a bent shaft;
this may dangerously weaken it.
EAS29980

CHECKING THE DIFFERENTIAL MOTOR

1. Check:
• Differential motor
ECA28P1017
NOTICE
Do not disassemble the differential motor or
remove the differential motor pinion gear.