Hale 80FC - Manual (Page 105)

105 Pump Ends
p/n: 029-0020-61-0
Co rr ec tive M ain te n an ce
❑
❑ Install a “new” mechanical seal - see heading see heading 6b.2 “Installing
Seal” on page 112.
❑ Install the impeller, see heading “Installation Notes – Impeller,” on page 96.
❑ Install the volute - “Installation Notes – Volute (Pump Body),” on page 93.
Also install the suction flange, if included - see heading “Installation Notes –
Suction Flange” on page 91.
❑ Set up apparatus for pumping and test pump. Check for leaks at the piping
and seal areas before returning apparatus to operation.
6A.5 PUMP SHAFT OIL SEALS, WITH PEDESTAL MOUNT
On pedestal engine mounts, replacing the pump shaft oil seals (2) is accom-
plished by removing both the pump head, and pedestal unit assemblies. The
following list provides the pump models covered in this manual and which sec-
tion pertains to pump shaft oil seal servicing.
❑ 40 / 50 FB-U series pump
❑ 80 FC-U series pump
In every case, to expose the pump shaft oil seal, you must first remove the fol-
lowing:
❑ 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.
Pedestal Mount , Pump Shaft Oil Seals
❑ Review heading 6a.1 “General Preparation” on page 85.
❑ Also refer to the appropriate plate drawing for your specific pump model.
See Section 8, heading “Drawing Package” on page 151.
1. Dismantle the pedestal assembly from its base - remove the four (4) 3/8”-16
screws and hardware. (See Figure 6a-10: “Pedestal Mount Pump Shaft Oil
Seals (2), 40 / 5- FB-U and 80 FC-U Series” on page 106.)
2. Slide the pedestal and pump head assemblies straight back to release the
pump shaft from the engine mount. The shaft is either keyed or splined.