Hale 2CBP - Manual (Page 39)

Maintenance and Repair
Booster Pumps
Sec V- 3
6. Replace any hardware that shows signs of
excessive wear.
7. When inspecting the impellers and clear-
ance rings for wear, measure the impeller
hub diameter and the inner diameter of the
clearance ring. Compare these measure-
ments to data in Table 5-3. If measure-
ments indicate, obtain replacement clear-
ance rings and impeller.
NOTE: If either the impeller hub or clearance
rings are out of tolerance, both rings and the
impeller must be replaced as well as the
mechanical seal.
Recommended Cleaners
Hale recommends:
o
Safety Kleen
o
Stoddard Solvent
Tools Required
• Lifting gear-lever hoist or chain hoist, and
short choker
• Ball peen hammer
• Center punch
• Drift punch
• Allen wrenches
• Strap wrench
• Snap Ring Pliers
• Pry bars (2)
• Ratchets and wrenches for disassembly
• Torque wrench, capable of 40, 65, and 135
ft-lb (54, 88, and 183 N-m)
• Pan (to catch drip oil)
• Disposable-rags
• Oil dry
• Wood Wedges
• Bearing Puller
• Pusher tube (a small section of PVC tubing
to fit over the shaft)
PUMP COMPONENTS
Pump and Gearbox Assembly
Read all the instructions before beginning any
repair.
THE PUMP AND GEARBOX ASSEMBLIES
WEIGH APPROXIMATELY 250 LBS (113 KG).
USE PROPER LIFTING DEVICE WHEN
REMOVING OR INSTALLING PUMP AND
GEARBOX ASSEMBLY.
NOTE: These procedures refer to Figures 5-2
and 5-3. Please review the General Repair and
Cleaning and Inspection Guidelines on page 37
before beginning these procedures.
Remove the Pump from the Apparatus
1. Park the vehicle on a level surface. Set the
parking brake and chock the front and rear
wheels.
2. Place apparatus out of service in
accordance with departmental procedures.
3. Obtain access to the pump and gearbox.
Match mark or tag all connections before
removal.
4. Remove drain plugs and drain the pump and
piping. Disconnect suction and discharge
piping from the pump.
5. Remove the magnetic oil-drain plug (see
Figure 5-2). Drain the gearbox oil into a
suitable container. Examine the oil for
included water (water turns the oil a milky
color or settles in the bottom of the oil) and
properly dispose of the oil.
6. Disconnect the drive shaft from the gearbox.