Page Number - 3
Form 403121
NEW STYLE
1. Remove valve cap (11470).
2. Drive trip rod pin (11472) from collar (11471). Collar is
free to be removed. Turn trip sleeve (11947) counter-
clockwise by hand to unscrew from trip rod (90691).
3. Unscrew four tie rod nuts (51009) from tie rods (10294)
and lift entire air motor straight up until free of trip rod
(90691).
4. Unscrew four screws (236868) and remove cover
(236286). Replace cover gasket (34158).
5. Remove packing cap (11905) and replace plunger pack-
ing (34110). Coat the inside surface of packing nut
(11904) and the outside surface of the new gasket with
lubricant before assembly. Replace packing nut gasket
(30003). Remove four toggle plate screws (236869). Lift
out toggle assembly (91331) to inspect. Replace if pins
are worn out of round or plates are loose. Remove trip
shoe (11475) and trip sleeve (11947).
6. Remove four valve seat screws (236870) and the valve
seat springs (55138). Remove valve seat guide plate
(45605), replace the two steel balls (66010) and the two
springs (56038). Remove valve slide, seat and gasket
(83063). Inspect for wear and replace if worn.
7. Remove trip rod packing nut (245425), trip rod packing
(236835), and trip rod washer (236616), replace packing
and gasket. Coat parts with grease.
8. Place outlet body (40537) horizontally in a vise. Remove
pump tube from outlet body. Refer to Steps 12 through 16
in OLD STYLE instructions.
TO LUBRICATE AIR VALVE MECHANISM
A) DISCONNECT AIR TO PUMP.
B) PERFORM PRESSURE RELIEF
PROCEDURE.
C) REMOVE FOUR COVER SCREWS,
COVER PLATE AND COVER PLATE
GASKET.
D) REMOVE AIR VALVE CASTING FROM
THE PUMP AND DISASSEMBLE.
E) CLEAN OR FLUSH THE AIR VALVE
CASTING TO REMOVE ANY CHIPS OR
OTHER FOREIGN PARTICLES.
F) BEFORE REPLACING TOGGLE
ASSEMBLY, PACK CAVITY WITH
GREASE USING APPROXIMATELY
1-1/2 OUNCES OF N.L.G.I. NO. 1
(LIGHT GRADE) WATER REPELLENT
GREASE.
G) REPLACE COVER PLATE GASKET,
COVER PLATE AND COVER CREWS.
TIGHTEN TO PREVENT AIR LEAKS.
H) PERIODIC INSPECTION OF PARTS AT
LEAST ONCE A YEAR IS ADVISED.
© Indicates change.
11482
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