Shutdown - Campbell Hausfeld PW2120 User Manual

Start Up (Continued)
Some local plumb-
CAUTION
!
ing codes require
backflow prevention when connecting
to a fresh water supply. Install back-
flow preventer upstream from the
pump if necessary.
a. If inlet water pressure is over 100
psi (7 bar) a regulating water
valve must be installed at the gar-
den hose connection.
b. Do not exceed 100¯ F (38¯ C) inlet
water temperature.
NOTE: The inlet water supply must
have a minimum flow rate of 5 gpm
(19 lpm).
4. Turn on the water supply.
Never run the unit
CAUTION
!
dry. BE SURE water
supply is completely turned on before
operating unit.
5. Trigger gun until water sprays from
tip indicating all air is purged from
system. Set trigger safety latch.
6. Open fuel shutoff valve (if unit is
equipped with valve). Be sure spark
plug ignition cable is pushed firmly
onto spark plug. On units equipped
with an ignition shutoff switch, put
switch in the "ON" position and put
throttle in the "RUN" position.
7. Start engine.
If engine is cold, completely close
engine choke. Grasp starter rope,
brace one foot on chassis then pull
rope rapidly and firmly. Continue
holding rope as it returns. Pull and
return the rope until engine starts.
In cool weather, the choke may have
to be kept closed for 10 to 30 sec-
onds to keep the engine running.
Otherwise, open choke as soon as
engine starts.
If engine is warm, leave choke open
or just partially closed. Start engine
then open choke completely.
Never let starter
NOTICE
!
rope return by
itself. This could jam the recoil system.
8. If engine does not start after 2-3
pulls, squeeze the gun trigger to
release the pressure that has built
up in the high pressure hose. Go
back to step 7 and repeat until
engine starts.

Shutdown

1. Be sure all detergent is flushed
from system.
2. Turn off engine.
3. Turn off water supply.
4. After engine and water supply are
turned off, trigger the gun to
depressurize the system.
NEVER turn the
CAUTION
!
water supply off
before turning the engine off. Serious
damage could occur to the pump
and/or engine.
NEVER disconnect
WARNING
!
the high pressure
discharge hose from the machine
while the system is pressurized. To
depressurize, turn engine off, turn
water supply off and squeeze gun
trigger 2-3 times.
5. After each use, wipe all surfaces of
the pressure washer with a clean,
damp cloth.
NOTE: A winterizing kit,
(PW104200AJ) is available for long
term storage.
3
PW2120, PW2318, PW2408 and PW2418
PRESSURE RELIEF
To reduce the risk of bodily injury
or property damage, always fol-
low this procedure whenever
spraying is stopped, when work is
completed and before checking
or repairing any part of the sys-
tem.
1. Engage the trigger safety
latch.
2. Turn unit off.
3. Remove ignition cable from
spark plug.
4. Shut off water supply.
5. Disengage trigger safety latch
and trigger gun to relieve
pressure.
6. Re-engage trigger safety latch.
7. Before overnight or long term
storage or transporting unit,
disconnect water supply and
turn off the fuel supply valve.
PROCEDURE
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