Test 002: Test Max Flow Signal - jcb JS300 Service Manual

1 Fit test gauges (0 - 60 bar, 10 - 1000lb in
connections to ports Pm1 and Pm2 with tee-piece
adapter.
With max engine rpm's and no services selected record max flow control
pressure in H power band
Select H power band, select CREEP travel mode (snail on monitor) then
select track service record pressure
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Test 002: Test Max Flow Signal

Port Pm1
2 ) into hose
Hydraulic System Fault Finding
Port Pm2
Fig 3.
2 Warm up machine hydraulic temperature to 50 °c
(122° f).
K Table 13. ( T E-252)
3
Table 13.
0 -21.8 lb/in
9813/5100-1
Section E - Hydraulics
Test 002: Test Max Flow Signal
(expected Pressures)
Port Pm1 Port Pm2
(0 - 1.5 bar) (0 - 1.5 bar)
2 0 -21.8 lb/in
(44 bar) (44 bar)
638.1 lb/in 2 638.1 lb/in
C068630-C2
2
2
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