www.stryker.com 6390-009-002 REV D 61
Service
Hydraulic cylinder removal and replacement (Continued)
7. Using an 11/16" combination wrench, disconnect both hoses from the cylinder. See Velocity fuse removal and
replacement on page 61.
Note: Hydraulic fluid will leak from the cylinder and hoses. Lay down towels to catch fluid.
8. Using a 5/8" combination wrench, loosen (do not remove) the jam nuts on both of the cylinder hose fittings, and
unthread the fitting from the hydraulic cylinder. Save all parts for reinstallation.
Note: Pay attention to the hose routing and location for reinstallation.
9. Using a 1/8" hex wrench, remove the velocity fuse from the hydraulic cylinder. Save the fuse for reinstallation.
10. Using a 3/16" hex wrench, remove the two screws (E) that secure the cylinder bracket (F) to the trolley and remove
the end cap cylinder pin (G) (Figure 29 on page 61).
Figure 29: Hydraulic cylinder pin location
11. Remove the hydraulics assembly and discard.
12. Using a 1/8" hex wrench, install the velocity fuse into the cylinder.
13. Reverse steps to reinstall.
14. Check the fluid level before returning the product to service. See Filling the reservoir on page 70.
15. Verify proper operation of the product before returning it to service.
Velocity fuse removal and replacement
Tools Required
• 1/8" hex wrench
• 11/16" combination wrench
• 5/8" combination wrench
• Torque wrench (in-lb)
Procedure
1. Pull the trolley assembly out of the patient compartment until it locks into the loading position.
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