HYDRAULICS
8H-30
DISASSEMBLY
1. Thoroughly clean the outside of the pump before
removing bolts and nuts.
2. Mark the pump sections to ensure proper assem-
bly. Using a center punch place one mark on sec-
tion 1, two marks on section 2 and three marks on
section 3. see Figure 8H-3.
Figure 8H-3. Auxiliary Pump
3. After removing studs and bolts, disassemble
pump one section at a time. Before removing gear
set, mark a line across the meshing teeth to
ensure that the gears are reassembled in the
same position, see Figure 8H-4.
Bolt
Stud
Section 3
Section 2
Section 1
Spacer
Plate
O-Ring
Seal
Backup
Washer
Bushing
Set
Body
Gear
Set
Bushing
Set
Seal
Backup
Washer
O-Ring
Flan
e
Seal
Retaining
Ring
CAUTION
Never pry pump sections apart as damage to the
sealing areas can result. Use of a soft face hammer
to tap sections apart is recommended.