Komatsu Galeo BR380JG-1E0 Shop Manual page 121

10 Structure, function and maintenance standard
1. Sequence valve
2. Poppet
3. Pressure reducing valve
4. Ball
No. Check item
Spring (pressure
5
reducing valve, main)
Spring (pressure
6
reducing valve, main)
7 Spring
8 Spring (safety valve)
BR380JG-1E0
Standard size
Free length x Installed
Outside diameter length
19.2 x 7.2 16.1
16.5 x 7.2 12.7
71 x 18 59
16.1 x 7.8 13.4
Criteria
Repair limit
Installed Free
load length
19.6 N
—
{2 kg}
20.6 N
—
{2.1 kg}
199.8 N
—
{20.4 kg}
61.7 N
—
{6.3 kg}
SEN01352-00
Unit: mm
Remedy
Installed
load
Replace
17.7 N
spring if any
{1.8 kg}
damages or
18.6 N
deforma-
{1.9 kg}
tions are
found.
186.2 N
{19 kg}
58.8 N
{6 kg}
11