HALE AP, Technical Manual

Page: 105 / 177

93
E. Perform applicable Impeller Installation portion of Impeller R&R procedure.
(See paragraph 5.8.4.6, [MBP] 5.8.4.7, paragraph 5.8.4.7 [AP], or para-
graph 5.8.4.8 [CBP].)
F. If applicable (pump is an MBP), perform Inducer Installation portion of the In-
ducer R&R procedure. (See paragraph 5.8.4.5 on page 76.)
G. Perform Volute Installation portion of applicable Volute &R procedure. (See
paragraph 5.8.4.3 or 5.8.4.4.)
H. Perform paragraph 4.4.4.1.3, Performance Testing Test Procedure, to verify
repair complete and pump in working condition.
NOTE
Repair any leaks or problems before returning apparatus to service.
I. Update all maintenance log entries.
J. Return apparatus to service.
5.8.4.10 RSD Mechanical Seal R&R
Before the mechanical seal can be replaced, the volute, inducer, and impeller must be removed
from the pump. Refer to paragraph 5.8.4.2 (on page 69) for instructions to R&R the volute and
then refer to paragraph 5.8.4.5 (on page 76) to remove the inducer, and the impeller as de-
scribed in paragraph 5.8.4.6 (on page 81), RSD Impeller R&R. Refer to Table 34 for a list of tools
and/or consumables required for this procedure.
The stationary part of the mechanical seal is located in the center bore of the pump head. The
other part of the seal mounts on the pump shaft and seats against the drive side of the impeller.
See Figure 4 for a diagram of how the seal fits in the pump and Figure 33 for a detailed diagram
of the seal components.
Table 34. RSD Mechanical Seal Bench Procedure Tools And Consumables List
Standard Tools Special Tools Consumables
PPE
(Eye and Hand Protection)
Mechanical Seal Installation
Tool <029-0760-00-0>
Shop Rag(s) (As Required)
Non-marring Hammer Pac-Ease Lubricant (See paragraph 5.7.3.)
5⁄32 -in (4 mm) Flat Blade
Screwdriver
Alcohol Swabs (See paragraph 5.7.3.)
3/32-in or 7/64-in (2.5 or 3.0
mm) Hex Key (Allen Wrench)
Mechanical Seal
<See FSG–PL-01487, Sheet 4, Item 20>
Pin
<See FSG–PL-01487, Sheet 4, Item 33>
Perform the following to remove and replace the pump seal.
RSD Mechanical Seal Removal
A. Remove mechanical seal.