Prochem Blazer GT - Manual (Page 50)

48
Maintenance
PROBLEM CAUSE SOLUTION
Chemical flow meter indicates
flow with the tool valve closed
External leak in chemical piping
Tighten fittings. Re-apply thread sealant
where required. If any fittings are damaged,
replace.
Outlet check valve is full of debris or
damaged, not allowing it to close
properly
Close the chemical valve on the instrument
panel. If the flow meter does not indicate
flow, remove debris or replace check valve,
if necessary.
Chemical pump diaphragm is
ruptured
Close the chemical valve on the instrument
panel. If the flow meter still indicates flow,
replace the chemical pump diaphragm and
plastic disk.
Internal leak in chemical valve
causing continual flow through
prime tube returning to container. Tighten valve packing nut (see “General
Service Adjustments” section in this
manual). Replace valve, if necessary.
Engine will not start
The engine does not turn over
Main circuit breaker on the control
panel has been tripped.
After inspecting the unit to determine the
cause of the tripped circuit breaker, press
the reset button.
Loose or corroded battery.
Clean, tighten, or replace the battery termi-
nals.
Dead battery. Recharge or replace battery.
Defective ignition switch.
Test ignition switch for power going into the
switch. If there is power going in but NO
power going out, replace the switch.
Defective starter motor. Test the starter motor. If necessary replace.
Vacuum pump seized.
Refer to vacuum pump manufacturer’s
service & repair manual.
Starter turns over engine, but
will not start
Waste tank is full. Empty the waste tank.
Defective fuel pump. Replace the fuel pump.
Loose or broken wires leading to
waste tank float switch. Repair or replace any broken electrical
connections.
Defective float switch in the waste
tank. Check switch for proper operation, replace
as necessary.
Internal engine problem.
Consult the engine manufacturer’s service
and repair manual or contact engine manu-
facturer’s authorized repair center.
86317260 BLAZER GT