Installation - pump head, shaft and oil seal, Installation – pump head, shaft and oil seal – Hale RSD User Manual
Page 89
89
RSD Series Single-Stage PTO Pumps
p/n: 029-0020-92-0
Co rr ec tive M ain te n an ce
❑
Installation – Pump Head, Shaft and Oil Seal
1.
Review heading “Before You Begin...” on page 67. Also review heading
“Cleaning and Inspection Guidelines” on page 70.
2.
Insert (or press) a new oil seal into the bore of the pump head. Apply a
coating of general-purpose grease to the seal to ease installation.
3.
Press the rear bearing onto the pump shaft. (See Figure 6-8: “Pump
Gear, Shaft and Seal Replacement,” on page 87.)
4.
Lightly lubricate the pump shaft and carefully insert it, with the inner
bearing, into the pump head from front-to-back, taking care to not dam-
age the oil seal.
5.
Install the retaining ring, shaft spacer, pump gear shaft key the pump
gear, with the gear lip facing out, away from the impeller.
6.
Install the impeller, see heading “Installation Notes – Impeller (and
Inducer),” on page 86.
7.
Install the mechanical seal - see heading “Installing Seal” on page 92.
8.
Install new gaskets to the seating surfaces of the pump head and the
gearbox housing. Apply a light coat of grease to the gasket to hold it on
place.
9.
With the gearbox adequately supported, lift it into place and carefully
slide the assembly onto the pump shaft assembly and outer bearing,
assuring the input gear and pump gear properly mesh. Also see
WARNING ! note found on page 68.
10.
Apply Loctite and insert the 1/2”-13 screws through the pump housing,
gearbox and gasket. Tighten all screws in a criss-cross fashion to
ensure an EVEN seal and torque screws to 57 ft.-lbs. (77 N-m).
11.
Install the lock washer and bearing nut. Tighten the bearing nut to a
snug fit then bend the lock washer tangs (2) over into the slots in the nut
to secure the nut.
12.
Install the gearbox cover with gasket. See preceding Step 8. Tighten
the four (4) 1/2”-13 screws in a criss-cross fashion to ensure an EVEN
seal and torque screws to 57 ft.-lbs. (77 N-m).
13.
Apply a light coating of grease to the seal ring groove and install a new
O-ring seal on the pump head.