ZEP 440C-G, Руководство по обслуживанию

Страница: 11 / 32

ENGINE DRIVEN COLD WATER CLEANERS
1. Poor cleaning
action.
2. Machine will not
draw chemical.
3. Low operating
pressure.
4. Excessive,
unusual noise.
5. Belts slipping.
A. Hard water.
B. Low pressure.
C. Little or no chemical being drawn.
D. Improper chemical.
E. Improper chemical mixture.
F. Low discharge pressure.
A. No chemical solution.
B. Metering valve not open.
C. Chemical line strainer clogged.
D. Air leak in Chemical line.
E. Metering valve clogged.
A. Insufficeint water supply.
B. Incoming water hose too small.
C. Water supply hose too long.
D. Belt slippage.
E. Worn belt.
F. Spray tip worn or wrong size.
G. Dirty or worn check valves in water
pump.
H. Water supply hose kinked.
I. Inlet filter screen clogged.
J. Motor runs slow.
K. Air leak in inlet plumbing.
L. Defective water pump.
M. Leaking discharge hose.
N. Chemical metering valve open and
sucking air.
O. Defective unloader.
A. Pump.
B. Defective motor.
C. Pulleys rubbing.
D. Misalignment of pump &motor
A. Belts too losse.
B. Excessive back pressure.
C. Defective water pump.
A. Connect the machine to a water softner.
B. See “Low operating pressure.”
C. See “machine will not draw chemical.”
D. Obtain proper chemical.
E. Mix chemical per the label. Follow all the mixing,
handling, application,and disposal instructions.
F. See “Low operating pressure.”
A. Replenish supply.
B. Turn metering valve knob to open.
C. Remove screen and cleaan.
D. Tighten all fittings and hoses for the chemical line.
E. Disassemble and clean.
A. The water supply must meet or exceed the maximum
discharge volume specified in the PERFORMANCE
section, and minimum water inlet pressure specified
in the General section of the
MODEL SPECIFICATIONS
section.
B. Use larger water supply hose.
C. Use shorter water supply hose.
D. Tighten belt per instructions in
MACHINE
MAINTENANCE insert.
E. Replace bely per CLEANER EXPLODED VIEW.
F. Replace with spray tip specified in the GENERAL
section of
MODEL SPECIFICATIONS.
G. See PUMP TROUBLE SHOOTING.
H. Straighten hose.
I. Clean water filter screen or hose inlet screen.
J. See “Pump engine starts slow or overheats and
stops.”
K. Tighten all fittings.
L . See
PUMP TROUBLESHOOTING.
M. If a water leak is found, DO NOT OPERATE THE
MACHINE. Disconnect the power andreplace hose.
N. Resupply chemical, place soap screen in water, or
shut off metering valve.
O. Repair or replace unloader valve.
A. See PUMP TROUBLESHOOTING.
B. Call service technician or take engine to Reapir/
Warranty station.
C. Adjust shields or pulley(s).
D. Realign pump and engine.
A. Tighten per instruction on MACHINE MAINTENANCE.
B. See “Excessive Back Pressure.”
C. See PUMP SERVICE.
REMEDY
CLEANER TROUBLESHOOTING
POSSIBLE CAUSE
TROUBLE
Supersedes 01-16-04 Z08-02768 05-09-06 Z08- 02768
x