Titan 552600 Service Manual page 11

IMPACT 1040
19.
Insert the piston rod into the bottom of the upper housing,
through the lower packing, through the upper packing, and out
through the upper seal retainer.
When repacking the fluid section, make sure the
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raised lip on the bottom of the lower packing is
fully outside the packing around the piston rod
after insertion of the piston rod.
20.
Remove the piston insertion tool from the top of the piston rod.
21.
Replace the upper housing back into the fluid section clamp on
the gear housing. Make sure to slide the top of the piston rod
into the T-slot on the slider assembly.
22.
Place the fluid section block back into position over the fluid
section. Replace the washers and nuts that secure the fluid
section block to the gear housing. Tighten the nuts (torque to
100-130 in-lbs).
23.
Making sure that the Viton o-ring and PTFE back-up ring are
lubricated and in place, thread the lower housing into the upper
housing. Using two wrenches, hold the upper housing at the
wrench flats with one wrench and tighten the lower housing
with the other.
24.
Attach the high-pressure hose to the nipple on the back of the
housing and tighten with a wrench. Do not kink the hose.
Make sure the hose does not touch the cart frame.
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If it does, reposition the nipple by turning the
upper housing until the hose is clear of the frame
and the nipple is within 45º of the back of the unit.
25.
Making sure that the Viton o-ring and PTFE back-up ring are
lubricated and in place, reassemble the foot valve assembly and
and thread it into the lower housing. Tighten securely.
26.
Thread the siphon tube/siphon set into the foot valve and
tighten securely. Make sure to wrap the threads on the down
tube/siphon tube adapter with PTFE tape before assembly.
27.
Replace the return hose into the clamp on the siphon tube.
28.
Place the front cover on the gearbox housing and secure in
position using the four front cover screws.
29.
Turn on the sprayer by following the procedure in the "Operation"
section of this manual and check for leaks.
Repacking kit P/N 0558740 is available. For best
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results use all parts supplied in this kit.
REPLACING THE COMPLETE FLUID SECTION ASSEMBLY
The fluid section for this pump has been designed to be easily replaced
by another entire fluid section assembly for on-site replacement.
Follow the steps below.
1.
Loosen and remove the two nuts and washers (1) from
underneath the sprayer. Remove the fluid section retainer (2).
This will unclamp the entire fluid section (3).
2.
Slide the fluid section forward to remove it from the gear housing.
3.
Replace the new fluid section back into the the fluid section
clamp on the gear housing. Make sure to slide the top of the
piston rod into the T-slot on the slider assembly.
4.
Place the fluid section block back into position over the fluid
section. Replace the washers and nuts that secure the fluid
section block to the gear housing. Tighten the nuts (torque to
100-130 in-lbs).
MAINTENANCE
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