Komatsu PC58UU-3, Руководство по ремонту

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PC58UU-3
STRUCTURE, FUNCTION AND
MAINTENANCE STANDARD
Unit: mm
No. Check item Criteria Remedy
1 Link pitch
Standard size Turning limit Repair limit The pin and
bushing are able
to use in reverse
until reach to
reverse limit.
If these had
exceeded the
repair limit,
replace pin •
bushing or link
assembly.
135 138 143
2 Outside diameter of bushing 35 32 29
3 Thickness of bushing 6.05 4.55 3.05
4 Height of link
Standard size Repair limit
Repair by
overlaying
welding or
replace
65 59
5
Thickness of link
(Bushing fitting part)
18.075 12.075
6
Interference between bush-
ing and link
Standard
size
Tolerance
Standard
interference
Interference
limit
Replace
Shaft Hole
Shaft ø 35
Hole ø 34.85 +0.030
+ 0 .030
+0.040
+ 0 .030
0.110 –
0.180
—
7
Interference between regu-
lar pin and link Shaft ø 22.5
Hole ø 22.3 +0.060
+ 0 .030
+0.052
+ 0 .030
0.148 –
0.260
—
8
Interference between mas-
ter pin and link Shaft ø 22.5
Hole ø 22.3 –0.030
–0.070 +0.052
+ 0 .030
0.078 –
0.170
—
9
Clearance between regular
pin and bushing
Standard
size
Tolerance
Standard
clearance
Clearance
limit
Shaft Hole
Shaft ø 22.5
Hole ø 22.9 +0.060
+ 0 .030
± 0.2
0.140 –
0.600
—
10
Clearance between master
pin and bushing Shaft ø 22.5
Hole ø 22.9 –0.200
–0.400
± 0.2
0.400 –
1.000
—
11 Clearance of link mating face
Standard clearance
(Each side)
Standard clearance
(Both sides)
Standard clearance
(Each side)
Adjust
0.7 – 1.4 1.4 – 2.8 —
12 Projection of regular pin 1.5
13 Projection of master pin 3.25
14
Standard size Repair limit
Repair by over-
laying welding
or replace
Height of
grouser
• Triple 14 10
• Road liner 35 17 Replace
15
Thickness of
grouser
• Triple 20 16
Repair by over-
laying welding
or replace
16
Tightening torque of shoe
bolt
137 ± 19.6 Nm {14 ± 2 kgm} Retighten
(7)
TRACK SHOE
10-15-2