Installation Instructions

1 ENGINE
Timing Gear
B1700·B21 00'B2400 WSM, 11770
Item
Factory Specification Allowable Limit
Timing gear backlash
Crank gear
-Idle gear 1
0.032toO.115mm
0.15 mm
0.0013 to 0.0045 in.
0.0059in.
Idle gear 1-
Cam gear
0.036toO.114mm
0.15 mm
0.0014to 0.0045 in.
0.0059in.
Idle gear 1
-Injection pump gear
0.034to 0.116 mm
0.15
mm
0.0013 to 0.0046 in.
0.0059in.
Injection
pump gear - Governor gear
0.030toO.117mm
0.15 mm
0.0012
to 0.0046 in.
0.0059in.
Clearance
between idle gear shaft and idle gear
bushing
Idle
gear 1 0.020 to 0.054 mm
0.10
mm
0.0008 to 0.0021 in.
0.0039 in.
Idle gear bushing I.D. 26.000
to 26.021 mm
0.10 mm
1.0236
to 1.0244 in.
0.0039 in.
Idle gear shaft 1
a.D. 25.967 to 25.980 mm
-
1.0223 to 1.0228 in.
Idle
gear 2 0.020 to 0.054 mm
0.10 mm
0.0008
to 0.0021 in.
0.0039 in.
Idle gear bushing I.D. 26.000
to 26.021 mm -
1.0236 to 1.0244 in.
Idle gear shaft 2
a.D. 25.967 to 25.980 mm
-
1.0223 to 1.0228 in.
Idle
gear side clearance
Idle gear 1 0.20toO.51 mm
0.8mm
0.0079 to 0.0200 in.
0.0315 in.
Idle
gear 2
0.20toO.51 mm
0.8mm
0.0079 to 0.0200 in.
0.0315in.
Piston, Piston Ring
Piston Pin Bore 22.000 to 22.013 mm
22.03 mm
0.8661
to 0.8687 in.
0.8673 in.
Clearance
between compression D905-D10 0.085 to 0.112 mm
0.20mm
ring 2 and ring groove D1005-D10
0.0033
to 0.0044 in.
0.0079 in.
D1105-D10
0.095
to 0.112 mm
0.0037
to 0.0048 in.
Clearance
between oil ring and ring groove
0.020
to 0.055 mm
0.15 mm
0.0008
to 0.0021 in.
0.0059 in.
1-56