Repacking the Fluid Section
1. Remove the foot valve assembly
and the lower housing using
the steps in the "Servicing the
Valves" procedure above.
NOTE: The outlet valve
does not need to be
disassembled from
the piston rod for this
procedure.
2. Tap the knock-off nut with a
soft hammer so that it turns
counterclockwise and loosens.
3. Turn the fluid section
counterclockwise to remove it
from the gear box housing.
4. Place the upper housing upright
in a vise by clamping on the
wrench flats.
NOTE: Do not over-tighten the
vise. Damage to the
upper housing may
occur.
5. Using a wrench, remove the
upper seal retainer.
6. Slide the piston rod forward until
the piston is out of the T-slot on
the slider assembly.
7. Pull the piston out through the
bottom of the upper housing.
8. Inspect the piston rod for wear
and replace if necessary.
9. Remove the upper and lower
packings from the upper
housing.
NOTE: Be careful not to scratch, score, or otherwise
damage the upper housing during removal of
the packings.
10. Clean the upper housing. Inspect the upper housing for
damage and replace if necessary.
11. Locate the new upper and lower packings and pack the
areas between the packing lips with grease. Lubricate the
o-rings on the exterior of the packings with grease.
12. Insert the upper packing into the
top of the upper housing with the
raised lip on the packing facing
down.
13. Insert the spacer on top of the
upper packing.
14. Thread the upper seal retainer
into the upper housing and torque to 25-30 ft. lbs.
15. Pre-form the lower packing using the lower packing sizing
tool (included in the repacking kit).
© Titan Tool Inc. All rights reserved.
16. Insert the lower packing partially
Crankshaft
17. Push the lower packing into
Slider
Assembly
18. Place the piston insertion tool
19. Insert the piston rod into the bottom of the upper housing,
Knock-Off
Nut
Upper Seal
NOTE: When repacking the fluid section, make sure the
Retainer
Spacer
20. Remove the piston insertion tool from the top of the piston
Upper
Packing
21. Slide the top of the piston rod into the T-slot on the slider
22. Turn the knock-off nut counterclockwise until it is flush
Upper
Housing
23. Lubricate the threads on the upper housing with anti-seize
24. Thread the upper housing into the gear box housing,
Lower
25. Continue to turn the upper housing clockwise until the
Packing
Wear Ring
NOTE: If the nipple on the upper housing does not face
Piston Rod
26. Once the nipple is positioned, turn the knock-off nut
27. Tap the knock-off nut with a soft hammer to tighten it
28. Making sure that the Viton o-ring and Teflon back-up ring
29. Attach the high-pressure hose to the nipple on the back
NOTE: For low rider units, make sure the hose does not
Install upper packing
with raised lip
facing down.
30. Making sure that the Viton o-ring and Teflon back-up
Raised Lip
31. Thread the siphon tube/siphon set into the foot valve and
32. Replace the return hose into the clamp on the siphon tube.
33. Place the front cover on the gearbox housing and secure
34. Turn on the sprayer by following the procedure in the
NOTE: Repacking kit P/N 805-1010 is available. For best
13
into the bottom of the upper
housing so that the side that has
the o-ring closest to the face of
the packing faces up.
position using the lower packing
insertion tool (see Fluid Section
Assembly parts list for lower
packing insertion tool P/N).
(included in the repacking kit) over the top of the piston rod.
through the lower packing, through the upper packing, and
out through the upper seal retainer.
raised lip on the bottom of the lower packing is
fully outside the packing around the piston rod
after insertion of the piston rod.
rod.
assembly.
against the upper housing.
compound. Remove the upper housing from the vise.
turning clockwise.
knock-off nut is flush against the gear box housing.
the back of the unit, turn the upper housing
counterclockwise until the nipple faces the back
of the unit. Do not turn the upper housing more
than one full turn.
clockwise until it contacts the gear box housing.
against the gear box housing.
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.
of the housing and tighten with a wrench. Do not kink the
hose.
touch the cart frame. 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.
ring are lubricated and in place, reassemble the foot
valve assembly and and thread it into the lower housing.
Tighten securely.
tighten securely. Make sure to wrap the threads on the
down tube/siphon tube adapter with Teflon tape before
assembly.
in position using the four front cover screws.
"Operation" section of this manual and check for leaks.
results use all parts supplied in this kit.
English
Install lower packing with
the side that has the o-ring
closest to the face of the
packing facing up.
Closer
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