Hale 2CBP - Manual (Page 21)

Preventive Maintenance
Booster Pumps
Sec III- 1
SECTION III PREVENTIVE
MAINTENANCE
OVERVIEW
Hale Booster Pumps require very little care and
maintenance. However, the little required is
important. Preventive maintenance tasks take
little time to accomplish and consist of leak
testing, lubrication and cleaning. The
procedures supplied in this section are for
normal use and conditions.
This section provides recommended actions to
be completed after each use, weekly, monthly
and annually basis.
Post-Operation Maintenance Procedures
Flush Pump
1. Inspect the suction hose and rubber washers
as well as the washers in the suction tube
caps. Remove any foreign matter from the
hose and coupling. Replace worn, dam-
aged, or dry washers.
2. Verify all discharge valves, drain valves and
drain cocks are closed.
3. Tighten the suction caps.
Weekly Maintenance
Weekly maintenance consists of:
o
Testing the relief valve system
o
Testing the priming system
o
Testing the pump shift warning indicator
lights
o
Valve Maintenance
o
Checking and cleaning the intake strainers
o
Checking any auxiliary engine.
o
Verifying all gauges are in working order.
o
Operating pump controls.
o
Inspecting water and foam tanks.
o
Checking roof and bumper turrets
o
Checking auxiliary fire suppression equip-
ment
Relief Valve Testing
When the relief valve is not in operation, keep
the hand wheel set above the normal operating
pressure.
1. Set up to pump from the
onboard water tank with
the discharge flow back to
the water tank.
2. Turn the relief valve hand
wheel clockwise to the
stop to prevent the relief
valve from operating.
Figure 3-1
3. Bring the pump pressure
up to 150 PSI (10 BAR) as
indicated on the master
pressure gauge per
normal operating procedures.
4. Turn the relief valve hand wheel counter-
clockwise until the relief valve opens. The
relief valve is open when the amber indicator
light is lit and the pressure begins to drop.
5. Turn the relief valve hand wheel clockwise
then counterclockwise a few times to ensure
that the hand wheel turns freely. Observe
the pressure gauge and indicator light for
Figure 3-1
PM Valve Control