CONDITION
Pump does not run
Pump runs but
does not pump fluid
Pump runs but is
noisy (Some noise
is normal).
DESCRIPTION
Gas Spring
Fusible Link 165°F
Rocker Switch
Pump 1/125 HP
Pump 1/150 HP
Pump Guard
Neoprene Hose
Flexible Metal Hose
Rubber Seal
Foam Filter Block
Filter Basket
Drain Shelf
Parts Basket
795-93848
TROUBLESHOOTING GUIDE
POSSIBLE CAUSE
Machine is unplugged
Circuit breaker is tripped
Pump motor is burned out
Faulty switch
Pump filter screen is
clogged
Flexible metal hose clogged Clear debris from metal hose
Pump rubber discharge
hose clogged
Cavitation due to low liquid
level
REPLACEMENT PARTS
GRAYMILLS P/N
765-09853
740-93713
770-93609
390-06940(-A model)
390-09800(-B model)
640-44907
729-91335
728-27602
745-93823
742-07095
645-44865
645-44902
645-35264
11 of 41
CORRECTION
Plug machine into outlet
Check breaker and correct. If
problems persist, contact Graymills.
Replace pump
Replace switch
Clear debris from around pump
Clear debris from hose or replace
hose
Raise liquid level to correct level
DRAWING
REF.
FIGURE 2(F)
FIGURE 2(G)
FIGURE 2(Q)
FIGURE 2(T)
FIGURE 2(V)
FIGURE 2(U)
FIGURE 2(M)
FIGURE 2(P)
FIGURE 2(Y)
FIGURE 2(X)
FIGURE 2(N)
FIGURE 2(O)
12/23/21