Komatsu 80001 User Manual

SEN03772-01 10 Structure, function and maintenance standard
4 PC130-8
Idler 1
Unit: mm
No. Item Criteria Remedy
1 Outside diameter of projection
Standard size Repair limit
Rebuilding or
replace
ø 527 —
2 Outside diameter of tread ø 489 ø 477
3 Tread depth 19 25
4 Width of projection 52 42
5 Overall width 115 107 —
6 Tread width (one side) 31.5 36.5
Rebuilding or
replace
7
Clearance between idler gear
and bushing
Standard
size
To l er an c e
Standard
clearance
Clearance
limit
Replace
Shaft Hole
54
-0.250
-0.280
+0.074
0
0.250 –
0.354
1.5
8
Interference between bushing
and link
Standard
size
Tolerance Standard
interfer-
ence
Interfer-
ence limit
Shaft Hole
61
+0.117
+0.087
+0.030
0
0.057 –
0.117
—
9
Side clearance of idler
(each side)
Standard clearance Clearance limit
0.18 – 0.38 1.5
10
Tread thickness
(at tread center)
Basic dimension Repair limit
Rebuilding or
replace
15 9
— Oil capacity 90 cc (engine oil: SAE30CD) —

Komatsu 80001 Specifications

General

Brand	Komatsu
Model	80001
Category	Excavators
Language	English