Hog Technologies Stripe Hog SK2000, Operation Manual

Page: 88 / 166

88
General Maintenance
4.5 Bleeding Air From
Charge Water Pump
Air must be bled from the charge water system
when the filters are changed, the clean water tank
is run dry or anytime the charge water system is
serviced.
Use the following procedure to bleed air from
the charge water system:
1. Make sure the truck is in work mode with the
PTO engaged to activate the hydraulic system
and water blasting main circuit breaker ON.
The truck engine must be at idle.
2. Open the clean water supply valve and turn
the POWER and CHARGE PUMP switches ON
to activate the charge water pump.
3. While the charge pump is running, open the
discharge valve on the charge water pump for
2 or 3 seconds, then close the valve.
4. Immediately repeat step 3 while monitor-
ing the charge water pressure gauge in the
console.
5. If pressure does not rise to the normal charge
water pressure range within a few seconds,
repeat step 3 until pressure rises to the normal
range (60 psi - 4 BAR).
Charge Water Pressure Gauge
A) Clean Water Supply Valve / B) Charge Water Pump Discharge Valve
A
B