SECTION 4
35
SAPPHIRE SCIENTIFIC MODEL 370 SS
®
PART#
49-038 REV F
9. TROUBLESHOOTING
!
DO NOT attempt to service this unit while it
is running. High-speed parts as well as high
temperature components may result in severe
injury, severed limbs or fatality.
This section of the operator’s manual describes
how to look for and repair malfunctions, which
may occur.
Accurate troubleshooting is based on a thorough
and complete understanding of the
WATER,
CHEMICAL, VACUUM, HEAT
TRANSFER
,
SAFETY
and
WIRING
systems
featured in this unit.
If there are malfunctions occurring on this unit
which you do not understand, refer back to the
OPERATION
section of this manual and
review
SYSTEM
TROUBLESHOOTING:
ENGINE
PROBLEM
CAUSE
SOLUTION
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
connections.
Clean, tighten, or replace the battery
terminals.
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 Gardner Denver Service and
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.
Oil pressure switch (located on
engine), fuel shut-off solenoid
(located on engine).
Test these components. If any are
defective, replace. Consult the Kohler
Engine Operation and Maintenance
Manual.
Engine is malfunctioning
Refer to Kohler Engine Operation and
Maintenance Manual.
Excessive heating
Flow restriction caused by hard
water scaling.
Descale unit, repair or replace
damaged plumbing components as
necessary. Install water softener.
Not enough water flow.
Check jet size of tool and or check the
float valve.
Summary of Contents for 370 SS
Page 1: ...Service and Operation Manual 2604 Liberator Prescott AZ 86301 1 928 445 3030 ...
Page 5: ......
Page 51: ...SECTION 5 46 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F 69 589 ASSY FRAME ENCLOSURES ...
Page 70: ...SECTION 5 65 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F ELECTRICAL DIAGRAM WATER PUMP ...
Page 71: ...SECTION 5 66 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F ...