User guide

12
VacuFlush Pedal-Flush ToiletMaintenance/Winterizing/Service
Problem Possible Cause Service Instruction
6. Lifting foot pedal does not add
water to the bowl.
a. Too much clearance between
pedal and top of water valve
cap.
a. Replace foot pedal (most
models)oradjustcamstrap
so clearance is .06 in. (1.5 mm)
max (model 5006 only).
7. Water leaking from water valve. a. Water valve body cracked due to
freeze damage.
b. Water line connection is loose or
not seated properly.
c.Defectivewatervalve.
d. Stripped threads.
a. Replace water valve.
b. Insure that threads are not
cross-threaded and tighten.
c. Replace water valve.
d. Replace water valve.
8. Water leaking from rear of
toilet bowl.
a. Loose check valve or hose
clamps.
b. Cracked or defective toilet bowl.
a. Secure check valve
connections.
b. Replace toilet bowl.
9. Water is leaking from the base/
toilet connection.
a. Clamp ring may be loose.
b. Ball seals may be worn or
defective.
a. Remove pedestal cover (on
applicable models) and tighten
the clamp ring.
b. Replace ball seals.
10.Vacuumpumprunningtoo
oftenbetweenushes.
a. Water leaks out of bowl
betweenushballandballseal.
b.Vacuumlineleak.
a. Leave small amount of water
in bowl. If water is sucked from
bowl, see problems 1 and 2.
b. Tighten all connections at toilet,
vacuum generator or vacuum
holding tank (including hose
clamps and threaded spin nuts).
If leak persists, contact
Customer Service.
11.Vacuumpumpwillnot
shut off.
a. A vacuum leak exists.
b. Insufcient vacuum (pump
createslessthan10inchesHg).
c. Faulty vacuum switch (pump
createsmorethan10in.Hg).
d. Improper vacuum generator
wiring.
e. Bellows not pumping.
a. See problem 9b.
b. Isolate pump and use vacuum
gauge to check vacuum levels.
Could be a plugged discharge
line or worn duckbill valves.
c. Replace vacuum switch.
d. Refer to wiring diagram to check
for proper wiring.
e. Tighten set screw in eccentric to
motor shaft if needed. Check for
damage to bellows and motor
shaft. Replace if necessary.
12.Vacuumpumpwillnotrun. a. No electrical power.
b. Loose or broken electrical
wiring.
c. Improper electrical connections.
d. Faulty vacuum switch.
e. Faulty motor.
f. Shut-down relay prevents
pumping.
a. Check input power, circuit
breaker and fuse.
b. Tighten or reconnect wires at
vacuum pump and tank, vacuum
generator, or vacuum holding
tank.
c. Make certain wires at vacuum
 switchareconnectedtothe“B”
terminals.
d. To check vacuum switch, short
 across“B”terminalswithjumper
wire.
e. Replace motor.
f. Empty the holding tank.
PUMP SERVICE WARNINGS
WARNING –
ELECTRICAL SYSTEM
Turn off power before
servicing when power
isn’trequiredfortest.
WARNING –
MOTOR STARTS
AUTOMATICALLY
Turn off power before
servicing.