Cub Cadet 8404 - Manual (Page 206)

CHAPTER 7 8354/8404
7-18 D615-W02 May-2003
615W727A
615W728A
9.1 CLEARANCE CHECK BETWEEN CENTER
PIN, FRONT AXLE SUPPORT BOSS AND
FRONT AND REAL BRACKETS
1. Check to see if DX bush of the front and rear brack-
ets are worn.
2. If shaft contacted part is worn and bare metal
surface, renew it.
9.2 CHECK FOR BACKLASH AND TOOTH
CONTACTED IN FRONT AXLE CASE
A. Backlash Measurement
1. Set dial gage in bevel gear shaft spline.
2. Lock the front axle, move bevel gear shaft by hand
and measure the backlash.
3. If exceeding the spec., adjust with shim.
B. Types of Adjusting Shim
0.2 mm (0.008 in.) 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.
Sect. Allowable limit
Bevel gear tooth
contacted More than 35 % center
1/3 ~ 1/2 from small end.
C. Tooth Contacted Check
At any bevel gear, apply a few contacted surface from
three positions divided by circumference with of red
lead and then apply any one gear with load, rotate the
other gear several times, and then check for tooth con-
tacted amount.
9. MAINTENANCE