Ppc Valve (For Hammer) - Komatsu PC20R-8 Shop Manual

PPC VALVE
FOR HAMMER
No. Check item
1 Centering spring
2 Metering spring
PC20R-8 PC27R-8
1
2
Free length
x é.D.
54.4x21.2
25.9x11.0
Criteria
Standard size
Installed Installed
length load
308.7 N
40.5
(31.5 kg)
24.5 N
25.0
(2.5 kg)
13.23w1.47 Nm
(1.35w0.15 kgm)
RKP01710
Repair limit
Free Installed
length load
277.5 N
53.1
(28.3 kg)
21.6 N
25.8
(2.2 kg)
Unit: mm
Remedy
Replace
40-27