Komatsu PC500LC-10R Shop Manual page 642

MAINTENANCE STANDARD OF TRAVEL MOTOR
No. Item
4 Tightening torque of the plug
5 Tightening torque of the plug
6 Tightening torque of the plug
7 Tightening torque of the plug
8 Tightening torque of the plug
9 Tightening torque of the plug
10 Tightening torque of the plug
11 Tightening torque of the plug
12 Quick return spring
13 Regulator piston spring
14 Check valve spring
15 Spool return spring
60-38
Judgment criteria
24.5 to 34.3 Nm {2.5 to 3.5 kgm}
65.7 to 82.4 Nm {6.7 to 8.4 kgm}
65.7 to 82.4 Nm {6.7 to 8.4 kgm}
324 to 402 Nm {33 to 41 kgm}
147.1 to 186.3 Nm {15 to 19 kgm}
19.6 to 27.5 Nm {2 to 2.8 kgm}
147.1 to 186.3 Nm {15 to 19 kgm}
373 to 466 Nm {38 to 47.5 kgm}
Standard dimensions
Free length
Installed
x outside
height
diameter
9.4 x 5.4 7.7
55.0 x 9.0 50.0
62.5 x 20.0 34.9
62.5 x 32.0 42.0
60 MAINTENANCE STANDARD
Repair limit
Load at in-
Free
stalled
length
height
0.5 N
-
{0.05 kg}
98.1 N
-
{10.0 kg}
3.51 N
-
{0.36 kg}
427 N
-
{43.5 kg}
Unit: mm
Remedy
Re-tighten
Load at in-
stalled
height
0.4 N
Replace the
{0.04 kg}
spring if dam-
aged or de-
78.5 N
formed
{8.0 kg}
2.82 N
{0.29 kg}
341 N
{34.8 kg}
PC500LC-10R