9
MS-20/MS-35 H
ANDHELD
T
ANK
S
PRAYER
O
PERATOR
'
S
M
ANUAL
SPRAY
VALVE
SPINDLE
/
O
-
RINGS
Tools Required: None
Parts Required:
Spray Valve Spindle Assembly or O-Ring Kit,
Petroleum Jelly
1. Release tank pressure and remove pump. Squeeze spray lever to
allow fluid in hose and spray gun to drain back into tank, and empty
tank.
2. Unscrew spray valve cap (A). Check cap o-ring (B) for damage, and
replace if needed.
3. Remove valve spring (C) and spindle assembly (F) and check for wear
or damage.
4. Replace spindle assembly, or install new seal (D) and o-rings (E) from
o-ring kit. Lubricate spindle o-rings lightly with petroleum jelly.
5. Inspect valve seat area of spray gun for buildup of chemical deposits
or debris, and clean as required.
6. Reassemble parts in reverse order of removal.
7. Tighten spray valve cap securely.
8. Check spray lever/spray valve for freedom of movement. Spray valve
spindle must return to closed position when lever is released.
9. Add water to tank, and test unit for leaks and proper operation before
adding spray solution.
SPRAY
GUN
CONNECTOR
O
-
RING
AND
WASHER
Tools Required: None
Parts Required:
Grip O-ring, Rubber Wand Washer
1. Release tank pressure and remove pump. Squeeze spray lever to
allow fluid in hose and spray gun to drain back into tank, and empty
tank.
2. Unscrew wand connector, and replace rubber wand washer (G).
3. Unscrew grip and replace grip o-ring (H).
4. Screw grip and wand connectors on tightly.
5. Add water to tank, and test unit for leaks and proper operation before
adding spray solution
A
B
C
E
D
G
H
F