31. Insert the upper wave spring,
upper pressure ring, upper
packings, and upper support
ring into the top of the cylinder.
Make sure to install the upper
packings with the point of the
“V” packing pointing up toward
the gear box housing.
32. Thread the upper seal retainer into the cylinder and torque
to 25-30 ft. lbs.
33. Rotate the cylinder in the vise
so that the bottom end is facing
up.
34. Insert the lower wave spring,
lower pressure ring, and lower
packings into the bottom of the
cylinder. Make sure to install
the lower packings with the
point of the “V” packing pointing
toward the inlet valve housing.
35. Insert the piston rod into the bottom of the cylinder,
through the lower packings, through the upper packings,
and out through the upper seal retainer.
36. Turn the jam nut counterclockwise until it is flush against
the top of the cylinder.
37. Lubricate the threads on the cylinder with anti-seize
compound. Remove the cylinder from the vise.
38. Thread the cylinder into the gear box housing, turning
clockwise. When the connecting pin hole on the piston
rod lines up with the hole in the slider assembly, insert the
connecting pin.
39. Slide the retaining ring down over the connecting pin.
40. Continue to turn the cylinder clockwise until the jam nut is
flush against the gear box housing.
41. Once the nipple is positioned, turn the jam nut clockwise
until it contacts the gear box housing.
42. Tighten the jam nut with a wrench to tighten it against the
gear box housing.
43. Attach the high-pressure hose to the nipple on the back of
the housing and tighten with a wrench. Do not kink the hose.
44. Insert the adapter into the bottom of the cylinder.
45. Making sure that the Viton o-ring and
PTFE
back-up ring
are lubricated and in place, reassemble the inlet valve
assembly and and thread it into the lower housing.
Tighten the inlet valve housing until the o-ring engages,
then continue to tighten until snug. Once snug, tighten an
additional 1/8–1/4 turn.
46. Thread the siphon tube/suction set into the inlet valve and
tighten securely. Make sure to wrap the threads on the down
tube/siphon hose adapter with
PTFE
tape before assembly.
47. Replace the return hose into the clamp on the siphon tube.
NOTE: For low rider units, make sure the hose does
not touch the cart frame. If it does, reposition
the nipple by turning the cylinder until the
hose is clear of the frame and the nipple is
within 45º of the back of the unit.
NOTE: If the nipple on the cylinder does not face the
back of the unit, turn the cylinder
counterclockwise until the nipple faces the
back of the unit. Do not turn the cylinder more
than one full turn.
NOTE: Make sure to alternate the UHMWPE and
leather packings as shown in the illustration.
Install all lower packings
with peak of "V" packing
pointing down, toward
foot valve housing when
cylinder is upright
Peak
NOTE: Make sure to alternate the UHMWPE and leather
packings as shown in the illustration.
Install all upper packings
with peak of "V" packing
pointing up.
Peak
48. Place the front cover on the gearbox housing and secure
in position using the four front cover screws.
49. Turn on the sprayer by following the procedure in the
“Operation” section of this manual and check for leaks.
NOTE: Repacking kit P/N 0507923 is available. For
best results use all parts supplied in this kit.
© SprayTECH. All rights reserved.
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