6-56 4203781 First Edition
HYDRAULICS
6
2. Raise the seat and seat platform.
Figure 6-58
3. Disconnect hose (1) from fitting (2).
Figure 6-59
4. Connect flow meter inlet test hose (5) to fitting (2).
5. Connect flow meter outlet test hose (3) to hose (1).
6. Open flow meter valve (4) completely.
Figure 6-60: Lift Steer Pump Test
7. Set park brake.
NOTE
Verify engine rpm is within specification (2800 rpm ± 50)
to ensure accurate hydraulic test results.
8. Start engine and run at full throttle (2800 rpm ± 50).
!
CAUTION
9. Use the flow meter to warm the hydraulic oil. Turn the
flow meter valve (4) until a reading of 750 psi (52 bar)
or one half of the relief valve rating is reached. Warm
oil to 120–150° F (49–65° C).
10. Open flow meter valve (4) completely. Read and
record the lift/steer pump no load flow.
11. Slowly close flow meter valve (4) until pressure
reaches 1125 psi (78 bar). Read and record the
lift/steer pump loaded flow.
12. Open flow meter valve (4) and stop engine.
TN2237
2
1
5
TN1359
4
3
Do not exceed 1500 psi (103 bar) as this test does
not utilize system relief.
TN2255
TN2255
To Next Page
Loading...
Need help?
General
