Repair
3A3383D
13
Repair
Disassembly
1.
Follow the
page 10.
2.
Disconnect the hoses from the lower and plug the
ends to prevent fluid contamination.
3.
Models with Sealed 4-Ball Lowers:
Remove the
2-piece shield (9) by inserting a screwdriver straight
into the slot, and using it as a lever to release the
tab. Repeat for all tabs.
Do not
use the screwdriver
to pry the shields apart. See F
4.
Loosen the coupling nut (10) and remove the collars
(11). Remove the coupling nut (10) from the piston
rod (R). Unscrew the lock nuts (5) from the tie rods
(4). Separate the motor (1) and lower (2).
5.
To repair the air motor or lower, see the separate
manuals listed under
Related Manuals
on page 2.
Reassembly
1.
If the coupling adapter (8) and tie rods (4) have not
been disassembled from the adapter plate (3), skip
to step 2.
If the coupling adapter (8) and tie rods (4) have
been disassembled from the adapter plate (3), fol-
low these steps:
a.
Screw the tie rods (4) into the adapter plate (3)
and torque to 50-55 ft-lb (68-75 N•m). See F
b.
Fill the cavity in the bottom of the motor shaft
with grease. Lubricate the threads of the cou-
pling adapter (8). Screw the adapter (8) into the
motor shaft until the pin holes align and install
the pin (6).
c.
Continue to step 2.
2.
Assemble the coupling nut (10) over the piston rod
(R).
3.
Orient the lower (2) to the motor (1). Position the
lower (2) on the tie rods (4).
4.
If you are reusing lock nuts (5) and the nylon of the
lock nut is worn or cut, add blue thread locker to the
tie rod threads.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
splashing fluid and moving parts, follow the Pressure
Relief Procedure when you stop spraying and before
cleaning, checking, or servicing the equipment.
F
IG
. 3. Shield Disassembly
ti15759a
ti15770a
Step 1
Step 2
