Komatsu 82E Series User Manual

12-12 82E-5 – 98E-5 SERIES
12. SERVICE STANDARDS
12.3 Lubricating Oil System (Trochoid Pump)
(1) Outside clearance of outer rotor
mm
(2) Side clearance of outer rotor
mm
(3) Inside clearance of inner rotor
mm
(4) Rotor shaft clearance
mm
Model Standard Limit Reference page
3D82AE – 4D88E 0.12 – 0.21 0.30
5.5.1(1)
4D94LE, (S)4D98E 0.100 – 0.155 0.25
Model Standard Limit Reference page
3D82AE – 4D88E 0.02 – 0.07 0.12
5.5.1(1)
4D94LE, (S)4D98E 0.05 – 0.10 0.15
Item Parts Standard Standard Limit Reference page
Inside clearance of
inner rotor
Gear boss diameter 53.05 – 53.15
0.3 – 0.5 0.6
5.5.1 (2)
Rotor diameter 53.45 – 53.55
Width across flat clear-
ance of inner rotor
Width across flat of Gear boss 49.45 – 49.75
0.2 – 0.6 0.7
Width across flat of rotor 49.95 – 50.05
Model Inspection item Standard Limit Reference page
4D94LE, (S)4D98E
Gear case bearing I.D. 12.980 – 13.02 13.05
5.5.1(3)Rotor shaft O.D. 12.955 – 12.975 12.945
Rotor clearance 0.035 – 0.065 0.105

Komatsu 82E Series Specifications

General

Brand	Komatsu
Model	82E Series
Category	Engine
Language	English