Hale MBP Booster - Manual (Page 80)

79 Silencer Series Booster Pump, p/n: 029-0020-83-0
Preventive Maintenance
❑
❑ Replace all gaskets and pump head seal rings, where applicable. Apply
a coating of general-purpose grease to the gasket and align to the pump
head. (See Figure 6-9: “Oil Seal Replacement / Pump Head Parts,” on
page 77.)
❑ Install a new seal ring into the bore of the pump head on the gearbox
side.
❑ Install the pump head on the gearbox being careful not to damage the oil
seal or pump shaft.
❑ Apply Loctite #246 High Temperature Removable Threadlock (or equal)
and install the 7/16-14 hex screws and hardware to secure the pump
head to the gearbox. Torque screws to 50 ft.-lb. (68 N-m).
6.7 “B” SERIES GEARBOX
(See Figure 6-12: “B Gearbox Parts Identification,” on page 82.)
If necessary, review section “Pump and Gearbox Assembly,” on page 67 to
remove the assembly from the apparatus.
The following procedures frequently refer to Tables 6-2, and 6-3 on pape 62.
Also, please review section General Repair Guidelines, on pape 62, before
beginning these procedures.
Oil Seal – Input Shaft
(See Figure 6-10: “Oil Seal, Input Shaft,” on page 80.)
1. Drain oil into an appropriate container from the gearbox. See Section 4:
Preventive Maintenance, heading “Gearbox Lubrication” on page 45.
2. Remove the screw (A) and hardware securing the flange assembly to the input
shaft.
3. Remove the shaft key and the flange retaining ring.
4. Carefully remove (pry out) the oil seal making sure not to damage the bore,
shaft or bearing.
5. Removing the seal renders it defective. It must be replaced.