Cub Cadet 8404 - Manual (Page 210)

CHAPTER 7 8354/8404
7-22 D615-W03 May-2003
615W743A
9.8 CHECK FOR BACKLASH AND TOOTH
CONTACTED BETWEEN DIFFERENTIAL
PINION AND DIFFERENTIAL SIDE GEAR
1. Set a dial gauge on the differential pinion gear tooth
surface in vertical.
2. Fix differential side gear, move pinion gear by hand
and measure backlash.
3. If exceeding allowable limit, replace differential pin-
ion washer and differential side gear shim.
A. Types of Adjusting Shim
0.8mm (0.031 in.) 1.0mm (0.039 in.)
1.2mm (0.047 in.)
B. Tooth Contacted Check
At spiral bevel gear, apply a few contacted surface from
three positions divided by circumference with the film
of red lead and then apply bevel gear with load, rotate
bevel pinion shaft several times, and then check for
tooth contacted amount.
Sect. Allowable limit
Bevel gear backlash 0.10 ~ 0.30 mm
0.0039 ~ 0.0118 in.