Hale RSD - Manual (Page 95)

95 RSD Series Single-Stage PTO Pumps
p/n: 029-0020-92-0
G ea rb o x R ep air
❑
6b Gearbox Service
Review heading “Before You Begin...” on page 67. Also review heading “Cleaning and
Inspection Guidelines” on page 70. Also see WARNING ! note found on page 68.
To remove and service the gearbox, specifically the input gear and shaft assembly, the
gearbox must be removed from the apparatus.
❑ If your RSD pump is engine mounted, by means of a flywheel housing
mount, see Section 6c Available Options, heading “Engine Drive” on page
100.
❑ For standard gearbox removal - see heading “Removal” on page 76.
❑ Match mark the volute and pump head to ensure proper re-alignment during
reassembly.
6B.1 INPUT SHAFT AND GEAR ASSEMBLY
With the gearbox secured in a holding fixture, remove and disassemble the input
shaft assembly. (See Figure 6b-6: “Input Shaft and Gear Assembly” on page 96.)
Disassembly, including Oil Seal
1. Review preceding sections “Before You Begin...,” on page 67 and “Cleaning
and Inspection Guidelines,” on page 70 to ensure a thorough installation.
2. Remove the twelve (12) 5/16”-11 screws and hardware securing the bottom
cover plate and gasket to the gearbox housing. Clean all gasket material
from mating surfaces being careful not to score the finished surfaces. (See
Figure 6b-6: “Input Shaft and Gear Assembly” on page 96.)
3. Remove the 5/8”-11 screw and washer securing the companion flange
(drive shaft flange) to the input shaft.
4. Remove the oil seal from the gearbox housing and discard. Oil seals can-
not be reused.
5. Remove the retaining ring locking the bearing within the housing.