JETStream 3000 series, Operation Manual, Page: 28 / 84

Operation Manual
20
Winterizing The Pump
Severe damage can result if the waterblast unit is
not protected from freezing conditions. The stuffing
boxes hold water that can freeze, causing damage
to the stuffing boxes, uni-valves, plungers and man -
ifold. To prevent freezing, drain the water from all
hoses, charge pump and tanks, and add anti-freeze
to the stuffing boxes.
If the unit is to be idle for any period of time that
would allow freezing in the pump or piping, utilize the
following procedure:
1. Drain the water from the tank.
2. Disconnect the water supply suction line and
high pressure discharge hose from the manifold.
3. Drain the manifold of water and close the drain.
4.
Assemble pipe fittings into a funnel assembly
as shown in (Figure 14).
5. Install the assembly on the suction side of the
manifold.
6. Pour a glycol based anti-freeze solution into
the funnel (Figure 15). Approximately 0.5 gal.
(2 L) of anti-freeze is required.
7. Before starting the engine, check the area in
the path of the discharge fitting on the mani -
fold. Ensure the area is clear. Anti-freeze will
be discharged from the discharge fitting during
this procedure.
8. Start the engine.
9. With the engine idling, gently feather the
clutch by applying light pressure to the clutch
handle in the engagement direction. Watch
the plungers move back and forth slowly until
anti-freeze is discharged from the manifold
port as shown in (Figure 16).
10. Once anti-freeze has been discharged from
the discharge port, disengage the clutch and
shut off the engine.
11. Remove the funnel assembly from the suction
port and reconnect the suction hose.
12. Disconnect the water lubrication lines from the
stuffing boxes and drain the lines.
Funnel
Assembly
Figure 14: Funnel Assembly Installation.
Figure 15: Adding Anti-Freeze.
Figure 16: Draining the Anti-Freeze.