3 pump and gearbox assembly – Hale MBP Booster User Manual
Page 68
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67
Silencer Series Booster Pump, p/n: 029-0020-83-0
Preventive Maintenance
❑
6.3
PUMP AND GEARBOX ASSEMBLY
WARNING !
THE BOOSTER PUMP AND GEARBOX ASSEMBLY IS HEAVY AND BULKY,
WEIGHING UP TO 145 LBS. (54 KGS.). ADDED ACCESSORIES MAY
INCREASE THE WEIGHT. BE CERTAIN TO USE PROPER LIFTING SUPPORT
DEVICES CAPABLE OF HANDLING THE LOAD WHEN REMOVING OR
INSTALLING THE SILENCER SERIES BOOSTER PUMP AND GEARBOX
ASSEMBLIES.
The following procedures frequently refer to Tables 6-2, and 6-3 on pape 62.
Also, please review section General Repair Guidelines, on pape 63, before
beginning these procedures.
Removing the Assembly from Apparatus
1. Remove the pump and any piping drain plugs to drain the inlet (suction) side
of the pump body per your required procedures.
2. Disconnect the suction and discharge piping.
Have clean disposable shop rags and oil dry handy. Also disconnect cooling
tubes from the water manifold and pump, air lines, electrical switches and
tachometer cable as required.
3. Drain oil from the gearbox - remove the magnetic pipe plug. See Section 4:
Preventive Maintenance, heading “Replace Gearbox Oil” on page 48.
Have a suitable container available to collect excess fluid, approximately two
quarts (2 liters).
4. Disconnect the drive shaft from the gearbox.
Note: When reinstalling, apply a coating of Loctite #246 High Temperature
Removable Thread Locker (or equal) to the fasteners and torque to PTO manu-
facturer’s specifications.
5. With the pump assembly properly supported and balanced, disconnect the
mounting brackets that secure the assembly to the apparatus.
6. Always use proper lifting and support apparatus (jacks, hoists, straps, etc.)
when servicing the unit. Exercise care when using chains to protect finished
surfaces from scratches.