Hale 4DK Series - Manual (Page 4)

4D Series Pumps
4 Manual p/n: 029-0020-79-0
SECTION 4 TROUBLESHOOTING - continued
Engine Speeds Too High for Required Capacity or Pressure ................................................................ 18
Discharge Valves Difficult to Operate .................................................................................................... 19
Section 5 Maintenance and Repair ..................................................................................................... 21
SECTION 5 MAINTENANCE AND REPAIR ............................................................................ 21
OVERVIEW ................................................................................................................................... 21
GENERAL REPAIR GUIDELINES ............................................................................................... 21
OIL SEALS (INPUT/TAIL SHAFTS) ............................................................................................ 22
Figure 7: Oil Seal Replacement ..................................................................................................... 22
GEAR BOX AND PUMP ............................................................................................................... 22
Removal ................................................................................................................................................ 22
Installation ............................................................................................................................................. 23
GEAR BOX COVER ..................................................................................................................... 23
Removal ................................................................................................................................................ 23
Installation ............................................................................................................................................. 23
TAIL SHAFT.................................................................................................................................. 23
Removal and Disassembly .................................................................................................................... 23
Figure 8: Tail Shaft Assembly ......................................................................................................... 24
Inspection .............................................................................................................................................. 24
Reassembly and Installation.................................................................................................................. 24
Figure 9: Shaft End Gap ................................................................................................................ 25
INPUT SHAFT .............................................................................................................................. 26
Removal and Disassembly .................................................................................................................... 26
Figure 10: Input Shaft Assembly .................................................................................................... 26
Inspection .............................................................................................................................................. 27
Reassembly and Installation.................................................................................................................. 27
KPS SHIFT CYLINDER ................................................................................................................ 27
Removal ................................................................................................................................................ 27
Figure 11: KPS Shift Cylinder Assembly ........................................................................................ 28
Installation ............................................................................................................................................. 28
Figure 12: KPS Shift Cap Assembly .............................................................................................. 29
KPS SHIFT CAP AND SWITCH ................................................................................................... 29
Removal ................................................................................................................................................ 29
Installation ............................................................................................................................................. 29
Figure 13: Shift Switch Detail ......................................................................................................... 29
GEAR SHIFT FORK ..................................................................................................................... 30
Removal ................................................................................................................................................ 30
Installation ............................................................................................................................................. 30
IDLER SHAFT .............................................................................................................................. 30
Removal ................................................................................................................................................ 30
Inspection .............................................................................................................................................. 31
Installation ............................................................................................................................................. 31
Figure 14: Idler Shaft Assembly ...................................................................................................... 31