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Jet-Set JM-1450™
4. Check for worn hose and components before each use.
Check that all fittings are secured before using jet. Worn or
lose fittings can cause damage to the machine and injure the op-
erator.
5. Protect machine and pump from freezing. Storing or operating
the jet in temperatures below freezing can damage pump, hose
and other jet components. Store unit indoors or protect with anti-
freeze when not in use.
6. General Wire Spring Co. will not be liable for any changes
made to our standard machines or any components not pur-
chased from General Wire Spring Co.
JM-1450 SPECIFICATIONS
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1
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1.
Foot Pedal (optional)
2.
GFCI
3.
Vibra-Pulse Control Valve
4.
Hose Reel
5.
Tool Box
6.
Motor
7.
Pressure Gauge
REMOVABLE HOSE REEL
The JM-1450 features a removable hose reel. It easily detaches in
seconds to make the machine more compact to fit in small spaces in
your truck, or crawl spaces under a building, or to more easily carry
the machine up to a roof to clear lines via the roof vents. To remove
reel, unscrew twist connect at the output valve, then simply pull the
knob at the base of the hose reel, then lift the reel. To reattach reel,
align the slot in the base of the reel with the tab on the support
bracket. Then seat reel into bracket and allow the knob to snap back
into place.
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4
5
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10
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8.
Anti-Siphon Valve
9.
Pump
10. Unloader
11. Inlet Filter
12. Pressure Control Valve
13. Drain
SLIDE OUT HANDLE
A convenient slide-out handle
makes the JM-1450 really port-
able. Lift the knob and extend
the handle, then roll the ma-
chine to and from the job on the
8" wheels. Lift the knob to slide
the handle back into place.
JET HOSE
1. When selecting hose size, consider that pressure is lost as the
water travels down the length of the hose. As the length increases,
the pressure decreases. In addition, the smaller the diameter of
the hose, the greater the loss of pressure per foot will be. As an
example, a 2 GPM a 1/4" hose will lose 180 lbs. of pressure over
100 ft. of hose, yet a 3/8" hose will only lose 25 lbs. of pressure
over the same length and at the same flow rate. At 4 GPM, a 3/8"
hose will lose 90 lbs. of pressure over a 100 ft. length. The gauge
reflects pressure from the pump only, not pressure at the end of
the hose. It is important to select the largest possible hose size in
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order to have as much pressure as possible at the end of the
hose.
2. Hoses of the same diameter may be coupled together using the
CC-1 coupling, but it is not recommended for use in lines smaller
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than 8" in diameter. The long length of the hose connectors and
coupling together can get caught in bends in the line. It is not ad-
visable to have two different hose sizes coupled in a drain line.
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There is a tremendous loss of pressure when combined, aside
from the difficulty of getting around bends.
3. The 3/8" and 1/4" hoses may be attached to the fitting in the core
of the hose reel using the swivel at one end of the hose. The 1/8"
accessory hose may also be attached directly to the output valve
by using the twist connect supplied on the hose.
HOSE SELECTION GUIDE
Hose Size (ID*)
1/8"
(3.175mm)
1/4"
(6.350mm)
3/8"
(9.925mm)
* Inside Diameter
JET NOZZLES
1. A variety of jet nozzles are available for drain cleaning. Each has a
different spray pattern and purpose. Some nozzles may have an
orifice in the front to cut through the stoppage. All will have holes
in the back to drive the hose down the line and clean the walls of
the pipe. A tight spray pattern (15°) has more driving power for
long runs, a wide spray pattern (40°) does a better job of cutting
the grease off of the walls of the pipe. A combination of nozzles
may be required to clear a line. Always turn off the machine and
turn off output valve before changing nozzles.
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Pipe Size
Typical Applications
1-1/2" - 2"
Small lines, bathroom
(38mm - 51mm)
sinks, tight bends
2" - 4"
Kitchen sinks, laundry
(51mm - 102mm)
drains, clean outs
4" - 8"
Floor drains, septic
(102mm - 230mm)
lines, long runs
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