Instruction
Disassembling and assembling PAHT and PAHT G 256-308
2
180R9268 / 521B1236 / DKCFN.PI.011.B3.02 / 01.2015
This document covers the instructions for disassembling and assembling the axial piston pumps
PAHT and PAHT G 256-308.
Tools provided with toolset 180B4172:
•
10 mm combination wrench
•
13 mm combination wrench
•
6 mm allen key
•
Adjustable pin wrench
•
Stop for retainer plate
•
Press bush for valve plate
•
Shaft seal extractor Ø45
•
M8 allen screw (20 mm and 140 mm)
•
Press bush Ø45 (Plastic)
•
M8 mm eye bolt
•
M8 mm nut
• M8 x 70 mm screw
Important: It is essential that the pump is
serviced in conditions of absolute cleanliness.
Place the pump on a pallet or other stable
surface above the ground. Ensure that the pump
cannot roll. It must be possible to place the pump
vertically with the shaft pointing downwards. This
can be done between two pallets or between
two boards on a pallet provided that the distance
is minimum 50 mm.
For a better understanding of the pump, please
see the exploded view on page 19 and 21.
WARNING:
Do not reuse disassembled O-rings or shaft
seal as they might be damaged. Always use
new O-rings.
1. Introduction
Table of Contents
Contents
1.
Introduction
2
2.
Disassembling
the
pump
3
3. Assembling
the
pump
6
4. Disassembling and assembling of the swash plate
10
5. Disassembling and assembling of cylinder barrel and valve plate
11
6.
Changing
pistons
12
6.2.
Assembling
15
7. When should the pistons be replaced
17
8.
Spare
parts
list
for
18
PAHT
256-308 18
9.
Spare
parts
list
for
19
PAHT
G
256-308
19