Komatsu 4D98 Series Shop Manual page 180

12
Service Standards :rds
(3.5)
Connecting
Inspection item
Thrust clearance
Rod
4TNE94*98 Bushing inside diameter
Pin outside diameter
Clearance
4TNE106(T) Bushing inside diameter
Pin outside diameter
Clearance
(3.6)
Tappet
mm
Standard
0.2 - 0.4
30.025 - 30.038
29.987 - 30.000
0.025 - 0.051
37.025 - 37.038
36.989 - 37.000
0.025 - 0.049
Limit
Reference
page
4-18
mm
30.068
29.959
0.109 4-28
37.068
36.961
0.107
Inspection item
4TNE94*98
/
Tappet hole (block) inside diameter mm
Standard
12.000 - 12.018
Limit
Reference
paw
12.038
1 Tappet stem ouside diameter mm
I
11.975- 11.990
1
11.955 1
Clearance mm 0.010 - 0.043 1 0.083 1 4-29
4TNElO6(T) Tappet hole (block) inside diameter mm 14.000 - 14.018 14.038
Tappet stem ouside diameter mm 13.966 - 13.984 13.946
Clearance mm 0.015 - 0.052 0.092
12.3 Lubricating Oil System (Trochoid Pump)
Inspection item Standard Limit
Reference
paw
Clearance between outer rotor 4TNE94.98 0.100 - 0.155 0.25
and case gear mm 4TNElO6 (T) 0.100 ... 0.165
Side clearance mm 0.05 - 0.10 0.15 5-2
Rotorshaft mm Bearing inside diameter (gear case) 12.980 - 13.020 13.050
1 Shaft outer diameter
I
12.955 - 12.970 I 12.945 I
I Clearance 1 0.010 - 0.065 I 0.105 1
12-6