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3.
Apply o–ring lubricant to the end plug seal (25) and install it in the annular groove at the
large end of the end plug (24).
4.
Insert the assembled end plug, small end leading, into the piston bore of the housing and
using a brass drift in the center of the end plug; tap the assembly to 1/8" below the gland
seal (28) without cocking it.
For the 56581 model, slip the splined sleeve into the housing from the end with the swivel
inlets, with the grooved end protruding from the housing. Insert a 1" square drive extension
through the splined sleeve and into the small end of the end plug. Applying force on both the
splined sleeve and end plug such that they are pushed towards each other, snugly screw the
male threads on the end plug into the female threads of the splined sleeve. The o-ring lubricant
from step 3 is useful to ease installation.
5. Apply o–ring lubricant to the piston seal (26) and install it in the annular groove at the large
end of the piston assembly (27).
6. If the piston rod seal (30) was removed from the cylinder gland (29), install a new seal, into
the central opening of the gland.
7. Apply o–ring lubricant to the cylinder gland seal (28) and install it in the housing recess at the
bottom of the threads for the cylinder gland.
8. Insert the piston assembly, into the threaded end of the gland through the gland seal and
push it inward until the large end of the piston is against the end of the gland..
9. Start threading the cylinder gland into the housing. Using the cylinder gland wrench (40) and
a socket, tighten the gland in the housing.
10. Reposition the assembled tool in the vise jaws with the inlet end upward
11. Wrap the threads of the swivel sets (33) with teflon tape. Thread the swivel with the male
hose coupler (34) into the threaded hole on the right (Marked A) side of the housing when
looking from the inlet end of the tool with the square drive downward. Thread the swivel with
the female hose coupler into the other hole (Marked R).
12. Connect the hoses from the pump, turn the power on and cycle the tool several times to
deter mine if the gland is leaking fluid.
13. If the gland is leaking, disconnect the hoses and power supply, determine the cause of
the leak and take whatever steps are necessary to correct the problem. If the gland is
not leaking, operate the tool to fully retract the piston assembly, disconnect the hoses and
power supply and reposition the tool in the vise jaws with the inlet end downward.
NOTICE
In the following step, the cylinder gland must be staked into the Housing to prevent it from
loosening due to vibration or turbulence in the hydraulic oil flow. Use a center punch with a 60
degree included angle and do not deform the stake point beyond 3/64" deep. Do not attempt to
use the previously staked position and leave housing clearance at the new position for a 1/16"
drill bit should the Gland require removal in the future.
14. Stake the thread of the gland and housing at the open area between the ears of the housing
that holds the square drive (11). Make certain both the housing and gland are deformed at
the stake point.
15. Wipe a thin film of grease on the sides of the drive plate (18), as well as the inner
race and piston rod recess of the drive plate.
16. Insert the ratchet (17) in the drive plate.
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