45. Continue to turn the cylinder clockwise until the jam nut is
flush against the pump housing.
46. Once the nipple is positioned, turn the jam nut clockwise
until it contacts the pump housing.
47. Tighten the jam nut with a wrench to tighten it against the
pump housing. Torque to 680–720 in./lbs.
48. Attach the high-pressure hose to the fitting on the back of
the cylinder and tighten with a wrench. Do not kink the
hose.
49. Insert the lower support ring and new seal washer into the
bottom of the cylinder.
50. Making sure that the new Viton o-ring and new
PTFE
back-up ring are lubricated and in place, reassemble the
inlet valve assembly and thread it into the cylinder. Use
the new parts supplied with the packing kit during
reassembly. Tighten the inlet valve housing until the o-
ring engages, then continue to tighten until snug.
51. Using a wrench, hold the cylinder by the wrench flats and
torque the inlet valve housing to 1020–1080 in./lbs.
52. Thread the siphon tube into the inlet valve housing and
tighten securely. Make sure to wrap the threads on the
siphon tube with
PTFE
tape before assembly. Replace the
return hose into the clamp on the siphon tube.
53. Place the front cover on the pump housing and secure in
position using the four front cover screws.
54. Turn on the sprayer by following the procedure in the
“Operation” section of this manual and check for leaks.
NOTE: Repacking kit P/N 0509940 is available. For
best results use all parts supplied in this kit.
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.
16
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