TM 10-3510-208-12
near open flame or excessive
f.
Installation.
Refer to Figure
4-45 and install the water pump and
heat. F l a s h point of s o l v e n t i s
motor.
100 to 138F. ( 3 8 t o 5 9 C . ) .
Clean parts with cleaning solvent,
4-38.
W a t e r Pump
Frame and Switch
F e d . Spec. P-D-680, and dry thoroughly.
Box
I n s p e c t i o n and R e p l a c e m e n t .
c.
( 1 ) Inspect the circuit breaker and
a.
Disassembly.
thermal release heaters for cracks,
Remove the screws (1, fig.
(1)
b r e a k s , and for evidence of overheating.
4-47) securing the covers (2 and 3)
I n s p e c t front cover and water
(2)
to the switch box front cover (5).
pump frame for cracks or breaks.
(2) R e m o v e the screws (4) s e c u r i n g
Inspect threaded parts for
(3)
t h e front cover (5) and its gasket (6)
thread damage.
to the switch box.
R e p l a c e damaged or defective
(4)
(3) Remove the screws (7) s e c u r i n g
parts as required.
the circuit breaker (8) to the front
d. Assembly.
c o v e r (5, fig. 4-47).
(1) Install the connectors (20 and
(4) Remove the screws (9) s e c u r i n g
1 9 , fig. 4-47), conduit (18), connectors
t h e thermal release heaters (10) to the
(17 and 16) a n d l o c k n u t ( 1 5 ) .
circuit breaker.
( 2 ) I n s t a l l the a s s e m b l e d w a t e r
(5) T a g and disconnect all electri-
p u m p and motor t o f r a m e ( 1 4 , f i g .
cal leads entering the switch box.
4-47).
( 6 ) Remove the nuts (11) and bolts
Install switch box (13) to
(3)
( 1 2 ) securing to the switch box (13) to
water pump frame ( 1 4 ) w i t h b o l t s ( 1 2 )
the water pump frame (14).
and nuts (n).
R e m o v e the locknut (15) and
(7)
( 4 ) Install connectors (17 and 19),
remove the connectors (16 and 17),
s t r a i g h t c o n n e c t o r (16) and elbow
c o n d u i t ( 1 8 ) , a n d connectors (19 and
connector (20) on conduit (18), then
20).
secure assembled unit to switch box with
Cleaning.
l o c k n u t (15).
b.
(5) Secure circuit breaker (8) to
f r o n t cover (5) with screws (7).
Clean all parts in a well-
( 6 ) Secure thermal release heaters
A v o i d inhala-
v e n t i l a t e d area.
( 1 0 ) to circuit breaker (8) with screws
tion of solvent fumes and
(9).
prolonged exposure of skin to
(7) R e c o n n e c t a l l l e a d s .
Wash exposed
c l e a n i n g solvent.
s k i n thoroughly.
Dry cleaning
( 8 ) Position cover assembly gasket
solvent. (Fed. Spec. P-D-680)
(6) in place and secure cover (5) to
used to clean parts is poten-
switch box (13) with screws (4).
(9) Install covers (2 and 3) with
tially dangerous to personnel
screws (1).
and property.
Do not use
4-60
Change 1
