Hale 80FC - Manual (Page 116)

❑ Gearbox Repair
116 Pump Ends
p/n: 029-0020-61-0
❑ In every case, to expose the pump shaft assembly and service the gearbox,
you must first remove the following:
● Suction Flange, if included - see heading “Suction Flange” on page 90.
● Volute - see heading “Volute (Pump Body)” on page 91.
● Impeller - see heading “Impeller” on page 94.
● Mechanical Seal - see Section 6b, “Mechanical Seal Assembly” on page
111.
6C.2 20 / 30 FSG SERIES GEARBOX
To service the gearbox and pump shaft assembly, first you must remove the
gearbox and bell housing (flywheel) adapter from the engine and disassemble
the pump head. (See Figure 6c-1: “20 / 30 FS Series Gearbox and Bell Hous-
ing Overview” on page 117.)
Also see Section 8 “Drawing Package” on page 151 and review the appropriate
Installation Drawing.
❑ To remove the pump head assembly, see:
20 FS series pump - see heading “Oil Seal, Pump Shaft” on page 89.
30 FS series pump - see heading “Pump Head Assembly – 30 FS Series
Only” on page 98.
Removing the Gearbox and Bell Housing
1. Review heading 6c.1 “General Preparation” on page 115.
WARNING !
ALWAYS USE PROPER LIFTING AND SUPPORT APPARATUS (JACKS, HOISTS,
STRAPS, CHAIN, ETC.) WHEN SERVICING THE GEARBOX ASSEMBLY. EXER-
CISE CARE WHEN USING CHAINS TO PROTECT FINISHED SURFACES FROM
SCRATCHES.
2. Remove the eight (8) 3/8”-16 screws securing the bell housing (flywheel)
adapter to the engine amounting. (See Figure 6c-1: “20 / 30 FS Series
Gearbox and Bell Housing Overview” on page 117.)