Stryker Power-PRO XT, Maintenance Manual

Page: 46 / 186

3. Using a T25 Torx driver, remove the seat pan from the litter to access the hydraulic assembly.
4. Disconnect all connections to the main cable assembly.
5. Using a 3/4" combination wrench, remove the nut that secures the solenoid to the A valve (A) or B valve (B). (Figure 17).
Save the nut for reinstallation.
6. Remove the solenoid from the valve. Save the solenoid.
7. Using a 7/8" combination wrench, remove the A valve or B valve from the hydraulic subassembly. (Figure 17).
N No otte e -- Hydraulic oil will leak from the valve and manifold. Lay down towels to catch the oil.
A
B
F Fiig gu urre e 1 17 7 –– H Hyyd drra au ulliicc A A vva allvve e o orr B B vva allvve e rre ep plla acce em me en ntt
8. Reverse steps to reinstall.
9. Check functionality by raising and lowering the cot several times. If necessary, add hydraulic oil (see Filling the
hydraulics assembly reservoir (page 36)).
10. Verify proper operation before you return the product to service.
H Hyyd drra au ulliicc m ma an nu ua all rre elle ea asse e vva allvve e rre ep plla acce em me en ntt
T To oo ollss rre eq qu uiirre ed d::
• T27 Torx driver
• 7/16'' combination wrench
• 1/8'' hex wrench
• 7/8'' hex wrench
• (2) Saw horse
P Prro occe ed du urre e::
1. Raise the product to the highest height position.
2. Using two saw horses, support the litter. Activate the manual release handle to relieve any hydraulic oil pressure.
3. Using a T27 Torx driver, remove the two button head cap screws (A) that secure the manual release cable bracket to
the bottom of the hydraulic subassembly. (Figure 18).
4. Using a 1/8" hex wrench, place the hex wrench through the stem at the groove in the valve body to hold the valve stem
in position.
5. Using a 7/16" combination wrench, remove the Nylock hex nut (B) from each of the valve stems. (Figure 18).
6. Using a 7/8" hex wrench, remove the valve (C or D) to be replaced. (Figure 18).
EN 40 6506-109-002 Rev G.1