TM 10-4610-232-12
c.
d.
e.
f.
g.
Remove ceramic ball (17) and seal (18) from head (23).
Disassemble suction valve by removing body (19), seal (20) and ceramic ball (21).
Remove four screws (22) and remove head (23) from chemical pump (10).
Remove diaphragm (24) from chemical pump (10).
Disassembly of chemical housing (25, Figure 4-40, sheet 2) is as follows:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Remove stroke knob (26) from stroke shaft (27).
Remove four screws (28).
CAUTION
Carefully remove cover to avoid damage to wires and cover.
Gently pull on speed control knob (29) to remove cover (30) from housing (25).
Tag and remove power cable (31 ) from connectors (32 and 33) and spade (34).
Remove nut (35) and connector (36) from chemical pump housing (25) and remove power cable (31 ).
Tag and remove two yellow wires from light unit (37) at pulser (38).
Pry retaining ring (39) from light unit (37) and remove light.
Remove two fuses (40 and 41).
Replace all damaged components.
a. Reassembly of chemical housing (Figure 4-40, sheet 2) is as follows:
(1)
(2)
(3)
(4)
(5)
(6)
Install fuses (41 and 40) if necessary.
Install light unit (37) in cover (30) and secure with retaining ring (39). Connect two yellow wires to pulser (38).
Install power cable (31 ) through housing (25). Secure with connector (36) and nut (35).
Connect power cable wires to connectors (32 and 33) and spade (34).
Install cover (30) to housing (25) and secure with screws (28).
Install stroke knob (26) onto stroke shaft (27).
b. Install diaphragm (24, Figure 4-40, sheet 1 ) on chemical pump (10).
c. Install head (23) into chemical pump wiring four screws (22).
d. Install ceramic ball (21), seal (20) and suction valve(19) into suction head (23).
e. Into head, install seal(18) and ceramic ball (17).
NOTE
Aline diaphragm notch to the notch in valve in valve body when assembling.
4-165
