Hale RSD - Manual (Page 6)

Contents -
continued Page
❑ Table of Contents
6 RSD Series Single-Stage PTO Pumps
p/n: 029-0020-92-0
5 Troubleshooting - continued
Relief Valve Does Not Relieve Pressure When Relief Valves are Closed. ...................... 63
Relief Valve Does Not Recover and Return to Original Pressure
Setting After Opening Valves. .......................................................................................... 64
Relief Valve Opens When Control Valves are Locked Out. ............................................. 64
Unable to Obtain Proper Setting on Relief Valves............................................................ 64
Discharge Valves Are Difficult to Operate. ....................................................................... 64
Water/Moisture in Pump Gearbox. ................................................................................... 65
Rotation Symptoms. ......................................................................................................... 65
6 Repair ..................................................................................................................... 67
6.1 Overview ........................................................................................................................... 67
6.2 General Repair Guidelines .............................................................................................. 67
Before You Begin... .......................................................................................................................... 67
Table 6-1: Typical Torque Values Chart............................................................................. 69
Gearbox Assembly ........................................................................................................................... 70
6.3 Cleaning and Inspection Guidelines .............................................................................. 70
Bearings ........................................................................................................................................... 71
Tools Required ................................................................................................................................. 71
6.4 RSD Pump and Gearbox Overview ................................................................................ 73
Figure 6-2: RSD Series Single-Stage Pump ...................................................................... 73
6.5 Removing the Assembly ................................................................................................. 74
Removing the Assembly................................................................................................................... 74
Installing the Assembly..................................................................................................................... 75
6.6 Removing the Gearbox Only........................................................................................... 76
Removal ........................................................................................................................................... 76
Figure 6-3: Typical RSD Gearbox Removal ....................................................................... 76
Installation ........................................................................................................................................ 78
6.7 Servicing the RSD Pump................................................................................................. 79
Suction Head .................................................................................................................................... 79
Figure 6-4: RSD Pump Parts Overview .............................................................................. 80
Installation Notes - Suction Head............................................................................................... 81
Volute ............................................................................................................................................... 82
Figure 6-5: Typical Water Cooling Lines ............................................................................ 82
Installation Notes – Volute ......................................................................................................... 83
Impeller............................................................................................................................................. 83
Figure 6-6: Inducer - 1,500 GPM Pump ............................................................................. 84
Clearance Rings, Impeller Measurement ......................................................................................... 85
Figure 6-7: Clearance Ring and Impeller ID / OD Measurement........................................ 85
750 - 1,250 GPM Pump ............................................................................................................. 85
1,500 GPM Pump ...................................................................................................................... 86
Installation Notes – Impeller (and Inducer) ................................................................................ 86