Storage & Maintenance; Specific Maintenance; Winterizing - Mi-T-M THE JOB PRO JCW Series Operation Manual

BELT TENSION ADJUSTMENT
B
A
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STORAGE & MAINTENANCE

SPECIFIC MAINTENANCE:

ENGINE: The engine instructions that accompany your unit detail specific
procedures for maintenance of the engine. Following the engine manufac-
turer's recommendations will extend engine work life.
PUMP: The pump oil must be changed after the first 25 hours of operation.
Once the initial oil change has been completed, it is recommended the oil be
changed every 3 months or 250 hour intervals. If oil appears dirty or milky,
changes may be required at a greater frequency. Use Mi-T-M pump oil AW-
4085-0016 and fill only to the center of the oil sight glass. DO NOT OVER-
FILL!
NOZZLES: Water flow through the spray nozzle will erode the orifice, mak-
ing it larger, resulting in a pressure loss. Nozzles should be replaced when-
ever pressure is less than 85% of the maximum. The frequency of replace-
ment will depend upon such variables as mineral content in the water and
number of hours the nozzle is used.
QUICK COUPLERS: There is an o-ring seal inside the female quick coupler.
This o-ring will deteriorate or, if the unit is allowed to pump without the high
pressure hose or nozzle attached, the o-ring may be blown out occasionally.
Simply insert a replacement o-ring to correct the leak. (Additional o-rings
can be purchased from your dealer.)
BELT TENSION ADJUSTMENT: To maintain peak performance of your
pressure washer, it may be necessary to adjust the belt tension on occasion.
Follow the procedure outlined below.
1. Remove the belt guard and loosen the two nuts on each side of the pump.
(Reference A) There are a total of 4 nuts.
2. Turn the cap screw (Reference B) clockwise until a 1/2 inch belt deflection
is noticed between the pulleys.
3. Tighten the side nuts. (Reference A)
4. Put a straight edge across both pulleys. If necessary, loosen one set of
pulley screws and adjust in or out to properly align. Tighten the pulley
screws and check the tension again.
5. Replace the beltguard and tighten the fasteners securely.

WINTERIZING:

For storage and transportation purposes in subfreezing ambient tempera-
tures, it will be necessary to winterize this unit. This unit must be protected
to the lowest incurred temperature for the following reasons:
1. If any part of the pumping system becomes frozen; excessive pressure
may build up in the unit which could cause the unit to burst resulting in
possible serious injury to the operator or bystanders.
2. The pumping system in this unit may be permanently damaged if frozen.
FREEZE DAMAGE IS NOT COVERED BY WARRANTY.
If you must store your unit in an area where the temperature may fall below
32°F, you can protect your unit by following the procedure outlined below.
1. Gather the following items:
a. Two 5 gallon containers.
b. One gallon of antifreeze. (Mi-T-M
safe antifreeze.)
c. Water supply.
d. Three foot hose, 1/2-3/4 I.D. with a 3/4 inch male garden hose fitting.
2. Procedure:
a. To start winterizing, unit must be run and primed according to the
"Start-up Procedures" listed on page 14.
b. After running and priming, shut off the unit and water supply.
recommends an environmentally
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JCW-Series Operator's Manual