Slack Adjuster - Komatsu WA250-6 Shop Manual

SEN03828-00

Slack adjuster

A: From brake valve
B: To brake piston
1. Body
2. Check valve
3. Piston
No. Check item
Clearance between piston and
4
body
Clearance between check valve
5
and body
6
Piston return spring
7
Check valve return spring
14
10-400
Tolerance
Standard
size
Shaft
–0.065
30
–0.098
–0.013
10
–0.028
Standard size
Installed
Free length
length
87.5 48.2
21.7 19.25
Criteria
Standard Clearance
clearance
Hole
+0.052 0.065 –
0 0.150
+0.015 0.013 –
0 0.043
Repair limit
Installed
Free length
load
11.8 N
—
{1.2 kg}
53.9 N
—
{5.5 kg}
400 Brake system

Slack adjuster

Unit: mm
Remedy
limit
0.163
0.048
Replace
Installed
load
9.8 N
{1.0 kg}
46.1 N
{4.7 kg}
WA250, 250PZ-6
1