wsm STW37 - Page 85

ENGINE
STW34, STW37, STW40, WSM
1-S6
Valve Spring Free Length
Setting Load /
Setting Length
Tilt
41.7 to 42.2 mm
1.65 to 1.66 in.
118 N / 35.0 mm
12.0 kgf / 35.0 mm
26.5 lbs / 1.38 in.
–
41.2 mm
1.62 in.
100 N / 35.0 mm
10.2 kgf / 35.0 mm
22.5 lbs /1.38 in.
1.0 mm
0.039 in.
Rocker Arm Shaft to Rocker Arm
• Rocker Arm Shaft
• Rocker Arm
Oil Clearance
O.D.
I.D.
0.016 to 0.045 mm
0.00063 to 0.0017 in.
13.973 to 13.984 mm
0.55012 to 0.55055 in.
14.000 to 14.018 mm
0.55119 to 0.55188 in.
0.10 mm
0.0039 in.
–
–
Push Rod Alignment – 0.25 mm
0.0098 in.
Tappet to Tappet Guide
• Tappet
• Tappet Guide
Oil Clearance
O.D.
I.D.
0.020 to 0.062 mm
0.00079 to 0.0024 in.
23.959 to 23.980 mm
0.94327 to 0.94409 in.
24.000 to 24.021 mm
0.94489 to 0.94570 in.
0.07 mm
0.003 in.
–
–
Timing Gear
• Crank Gear to Idle Gear
• Idle Gear to Cam Gear
• Idle Gear to Injection Pump Gear
• Crank Gear to Oil Pump Gear
Backlash
Backlash
Backlash
Backlash
0.04150 to 0.1122 mm
0.001634 to 0.004417 in.
0.04150 to 0.1154 mm
0.001634 to 0.004543 in.
0.04150 to 0.1154 mm
0.001634 to 0.004543 in.
0.04150 to 0.1090 mm
0.001634 to 0.004291 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
Idle Gear Side Clearance 0.12 to 0.48 mm
0.0048 to 0.018 in.
0.9 mm
0.0354 in.
Idle Gear Shaft to Idle Gear Bushing
• Idle Gear Shaft
• Idle Gear Bushing
Oil Clearance
O.D.
I.D.
0.025 to 0.066 mm
0.00099 to 0.0025 in.
37.959 to 37.975 mm
1.4945 to 1.4950 in.
38.000 to 38.025 mm
1.4961 to 1.4970 in.
0.10 mm
0.0039 in.
–
–
Camshaft Side Clearance
Alignment
0.070 to 0.22 mm
0.0028 to 0.0086 in.
–
0.30 mm0.012 in.
0.01 mm
0.0004 in.
Cam Height
(Intake / Exhaust)
33.90 mm
1.335 in.
33.85 mm
1.333 in.
Item Factory Specification Allowable Limit
KiSC issued 11, 2014 A