Dry cleaning solvent (Fed.
Spec. P - D - 6 8 0 ) used to clean
Slide the seal assembly onto
p a r t s is potentially dangerous
t h e shaft as far as i t w i l l g o ,
t o personnel and property. Do
being sure to press only on the
not use near open flame or
t a i l section of the bellows and
excessive heat. F l a s h point of
I f i t is
p o s s i b l e t o s l i d e t h e assembly
s o l v e n t is 100 to 1 3 8 F . ( 3 8 t o
w i t h t h e f i n g e r s , use a smooth
C l e a n all parts with cleaning solvent,
s l e e v e of about 1/32 in. (0.08
c m ) over shaft diameter with a
Fed. spec. P-D-680, and dry thoroughly.
w a l l thickness of about 1/4 in.
Inspect the impeller for
(0.64 cm) to push the assembly
c r a c k s , dents and clogged conditions.
R e p l a c e i t i f a n y o f these conditions
H o l d the motor shaft stationary
Examine the seal assembly for
by inserting a screwdriver
t h r o u g h the center hole of the
which might cause leaks. Replacement is
m o t o r front cover and into the
necessary, i f a n y s u c h c o n d i t i o n i s
s h a f t end slot.
Install the plate vane (23,
(3) Check pump attaching hoses for
cuts, cracks, holes and other leak
bracket (20) and secure with screws
causing c o n d i t i o n s .
should be replaced.
Adjustment of the Impeller to
( 4 ) Remove the filter cover and if
obstructions which could cause a clogged
V a n e clearance is obtained by
filter are present, the filter and
i n s t a l l i n g o r removing the
s c r e e n should be cleaned, if possible,
I m p e l l e r Adjusting Shims (Item
o r replaced.
Shims until the Impeller will
(5) Inspect all wiring for cracked
i n s u l a t i o n , broken wires, and loose or
rub against the vane plate when
it is installed.
c o r r o d e d connections.
should be replaced.
Shim and install Impeller and
(6) Examine gaskets and packing for
should turn freely without
cracks, tears and wear.
necessary i f g a s k e t s o r p a c k i n g a r e
r u b b i n g against the vane plate
a f t e r p r o p e r adjustment i s
I n s p e c t the caps, housing and
( 6 ) Install gasket (21) and bracket
mounting bracket f o r cracks, chips and
(20), with attachments, onto housing
R e p a i r or replace these
items when damage is present.
(34) and secure with nuts (19).
Install the coupling (18) on
( 8 ) Inspect all hardware for thread
damage a n d proper size.
Install drain cock (17), pipe
ware when necessary.
plugs (16 and 15) , close nipple (14) and
tee coupling (13) in pump housing
I n s t a l l the preformed packing
Install pipe nipple (12) and
water pump housing (34).
s t r a i n e r body (11).
P o s i t i o n the motor (31) onto
Install gage and screen
t h e mounting bracket (20) and secure
e l e m e n t (10), gasket (9 and 8), strainer
cap (7), strainer cap clamp (6) and
Oil shaft and seal assembly
secure w i t h n u t ( 5 ) a n d s c r e w ( 4 ) .
u s i n g a light oil.
(11) Install suction coupling (3),
Install seal assembly (28),
discharge coupling (2) and dust c a p
f l a t w a s h e r (27), shims (26) and impeller
(25), then install nut (24) to secure.