4.32 Hydraulic Cylinder
Chapter 4: Removal, Replacement, and Adjustment Procedures
Page 4 - 100
TranStar® PC-100/PC-200/PC-300/PC-350/PC-400/PC-450/
PC-500/PC-550/TR-500/SG-500/OB-450/OB-550/EL-550
Series Stretcher Service Manual (man115re)
4.32 Hydraulic Cylinder
Tools required:
Ratchet
9/16" socket
Torque wrench 0-250 in-lb
7/16" socket
5/32" Allen™
1
wrench
1/8" hex head bit
9/16" open end wrench
Rubber mallet/hammer
7/16" open end wrench
Removal
NOTE:
If the stretcher will not raise, use the quick Trendelenburg/Reverse
Trendelenburg feature (lift).
1. Raise the stretcher to the high position and remove the upper frame (refer
2. Remove the base shroud and bellows (refer to procedure 4.25).
3. Using the 5/32" Allen™ wrench, remove the pump linkage shoulder bolt
(G)
that secures the linkage to the hydraulic cylinder (I) (see figure 4-54 on
4. Using the 7/16" open end wrench, the ratchet, and the 7/16" socket, remove
the four locknuts (C), the four bolts (E)
,
and the two washers (F) that
secure the hydraulic cylinder (I) to the side tubes of the lower frame.
5. Using the 7/16" open end wrench, the ratchet, and the 7/16" socket, remove
the two locknuts (A)
and the washers (B) that secure the hydraulic cylinder
(I) to the cross tube of the lower frame.
WARNING:
Ensure that you use proper lifting methods. Failure to do so could result
in personal injury and equipment damage. The weight of the lower
frame will act as counterweight during the lifting process. One person
can safely perform this procedure.
6. Lift the lower frame, and remove the hydraulic cylinder (I).
1. Allen™ is a trademark of Industrial Fasteners, Inc.