Stryker CUB FL19H, Maintenance Manual

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8. Remove the bungee cords and replace the base hood.
9. Verify proper operation before you return the product to service.
R Re em mo ovviin ng g e exxcce essss a aiirr ffrro om m tth he e h hyyd drra au ulliicc ssyysstte em m,, h hyyd drra au ulliicc b ba asse e
T To oo ollss rre eq qu uiirre ed d::
• None
P Prro occe ed du urre e::
1. Raise the litter to the highest position.
2. Continue to actuate the system several times. This will force the air through the system and allow the jack to function.
P Po op pp pe ett vva allvve e rre ep plla acce em me en ntt,, h hyyd drra au ulliicc b ba asse e
T To oo ollss rre eq qu uiirre ed d::
• Small needle nose pliers
• (2) Bungee cord (or equivalent)
• 1/4” Allen wrench
• 1/4” hex bit socket
P Prro occe ed du urre e::
1. Raise the rails to the highest position.
2. Lower the litter to the lowest height.
3. Apply the brakes.
4. Lift the base hood.
5. Separate the V Ve ellccrro o® fasteners that secure the base hood to the base.
6. Using bungee cords, support the base hood.
N No otte e -- The jack must be lowered all the way to relieve the pressure on the pump piston side of the jack.
7. Using a 1/4” Allen wrench, remove the base plug (D) and the seal (L) (Figure 13). Save the base plug and seal.
8. Remove and save the compression spring (C) (Figure 13).
9. Using small needle nose pliers, remove the poppet valve (F) (Figure 13). Discard the poppet valve.
10. Install the new poppet valve.
11. Reinstall the compression spring, seal, and base plug.
12. Using a 1/4” hex bit socket, torque the base plug to 10 ft-lb (13.5 N-m).
13. Pump the jack to the highest height. Apply weight to the product and make sure that the jack holds. Verify there are no
hydraulic leaks.
14. Remove the bungee cords and replace the base hood.
15. Verify proper operation before you return the product to service.
C Ch he ecckk vva allvve e rre ep plla acce em me en ntt,, h hyyd drra au ulliicc b ba asse e
T To oo ollss rre eq qu uiirre ed d::
• Small needle nose pliers
• (2) Bungee cord (or equivalent)
• 1/4” Allen wrench
EN 24 1900-009-002 Rev AA.6