TM 10-4610-246-13
4.21
MAINTENANCE OF PUMPER ASSEMBLY
This task covers:
a.
Removal
c.
Inspection
e.
Assembly
b.
Disassembly
d.
Repair
f.
Installation
INITIAL SETUP
Tools
Equipment Conditions
Tool Kit, General Mechanics
Suction valve removed (para. 3.6).
(Item 1, App. B)
Discharge valve removed (para. 3.7).
Parts/Materials
Faceshield (Item 4, App. E)
Gloves (Item 5, App. E)
Rags (Item 7, App. E)
Starwasher (TM 10-4610-246-23P)
Preformed Packing
(TM 10-4610-246-23P)
a.
Removal.
Hold pumper assembly so that it does not fall
while removing screws.
(1)
Remove screws (1, Figure 4-11).
(2)
Remove pumper assembly (2) and gasket
(3) from upper main case assembly (4).
b.
Disassembly.
(1)
Remove pumphead and chemical side
diaphragm.
(a)
Remove eight screws (1, Figure 4-
12),
eight
flat
washers
(2),
and
pumphead (3).
(b)
Turn
stroke
adjusting
knob
(4)
clockwise until dial scale assembly (5)
reads one.
Figure 4-11. Pump Assembly
4-20
