OPERATOR'S MANUAL MAINTENANCE

Section E - Hydraulics
Fault Finding
Test 002: Test Max Flow Signal
E-250 E-250
9803/9880-3
Test 002: Test Max Flow Signal
Fig 3.
1 Fit test gauges 0 - 60 bar (10 - 1000 lb in
2
) into hose
connections to ports Pm1 + Pm2 with tee piece
adapter
2 Warm up machine hydraulic temperature to 50 °c
(122° f)
3
K Table 12. ( T E-250)
Table 12.
Note: 40 bar = 80 lb in
2
, 1.5 bar = 21.75lb in
2
C031360
Pm2
Pm1
(expected Pressures)
Port Pm1 Port Pm2
With max engine rpm's and no services selected record max flow cut control
pressure in E mode
0 - 1.5 bar 0 - 1.5 bar
Select L mode and record pressure 40 bar 40 bar
Select standard mode, select low speed tracking (tortoise on monitor) then
select track service record pressure
40 bar 40 bar