Cub Cadet 8404 - Manual (Page 207)

FRONT AXLE
7-19 D615-W02 May-2003
615W729A
615W730A
9.4 CHECK FOR SHIM BETWEEN AXLE
CASE SUPPORT AND FRONT AXLE CASE
1. W i t h f r o n t a x l e c a s e a n d b e v e l g e a r c a s e
compressed, measure the clearance (A) between
axle case support and front axle case.
A. Shim Thickness
Clearance (A) + (0.2 ~ 0.5) = Shim thickness to be as-
sembled.
B. Types of adjusting shim
0.5 mm (0.020 in.) 0.8 mm (0.031 in.)
C. Tooth Contacted Check
At any bevel gear, apply a few contacted surface from
three positions divided by circumference with thin film
of red lead and then apply and one gear with load,
rotate the other gear several times, and then check for
tooth contacted amount.
Sect. Allowable limit
Bevel gear tooth
contacted More than 35 % center
1/3 ~ 1/2 from small end.
9.3 CHECK FOR BEVEL GEAR BACKLASH
AND TOOTH CONTACTED IN BEVEL
GEAR CASE
A. Backlash Measurement
1. Set the dial gage in bevel gear shaft spline.
2. Lock a gear into the differential gear shaft, move
bevel gear shaft by hand and measure the backlash.
3. If exceeding the spec., adjust with a shim.
B. Types of Adjusting Shim
0.4 mm (0.016 in.) 0.8 mm (0.031 in.)
1.0 mm (0.039 in.) 1.2 mm (0.047 in.)
Sect. Allowable limit
Bevel gear backlash 0.15 ~ 0.35 mm
0.059 ~ 0.0138 in.