Danfoss MAH 6.3, MAH 12.5 Service guide

Service guide
MAH motor MAH 6.3 - 12.5 Disassembling and assembling
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Service guide | Disassembling and assembling MAH 6.3 - 12.5
Table of Contents Introduction .......................................................................................................................................... 2
1. Disassembling the motor ................................................................................................................. 3
2. Inspection .............................................................................................................................................. 7
3. Assembling the motor ........................................................................................................................ 8
4. Service kit for MAH 6.3 ..................................................................................................................... 13
4.1. Service kit for MAH 12.5 ................................................................................................................... 14
5. Exploeded view MAH 6.3 ................................................................................................................ 15
5.1. Exploded view 12.5 ........................................................................................................................... 16
Introduction
This document covers the instructions for disassembling and assembling the motor MAH 6.3 - 12.5
Tools needed for disassembling/assembling the MAH 6.3 - 12.5 motor
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180R9152 | AX357937856579en-000402 | 07.2021
Service guide | Disassembling and assembling MAH 6.3 - 12.5
1. Disassembling the motor
cover.
2. Dismantle front cover using a vice.1. Remove parallel key and unscrew front
4. Remove the two small O-rings from ange. Remove seal from front cover using
3. Remove shaft seal using two screwdrivers.
a screwdriver.
5. Unscrew the four screws for housing. 6. Remove housing.
180R9152 | AX357937856579en-000402 | 07.2021
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Service guide | Disassembling and assembling MAH 6.3 - 12.5
7. Remove pistons and retaining plate from cylinder barrel.
8. Remove retaining guide.
10. Remove cylinder barrel.9. Remove pins and springs.
12. Remove guide pin.11. Remove port plate from  ange.
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180R9152 | AX357937856579en-000402 | 07.2021
Service guide | Disassembling and assembling MAH 6.3 - 12.5
14. Remove O-ring from port.13 Remove O-ring from ange..
15. Loosen thrust plate using a screwdriver. Place screwdriver in slot of thrust plate.
17. Wash all parts and replace all seals (inclusive shaft seal).
Inspect all parts carefully (see ”Inspection”) and replace any worn parts.
If the motor has failed, the reason for the failure must be found and  xed before the repaired motor is re-installed.
16. Remove swash plate from housing.
180R9152 | AX357937856579en-000402 | 07.2021
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