Allied H6G, Service Manual

Page: 7 / 112

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Contents
Safety Summary
..........................................................i
General
......................................................................... 1-1
Introduction ........................................................................ 1-1
Description ........................................................................ 1-1
Unit
Identifi cation ........................................................ 1-2
Serial Number Codes ................................................. 1-3
Nameplate .................................................................. 1-3
Specifi cations .................................................................... 1-4
Drum Wire Rope Capacities ....................................... 1-4
Hydraulic Specifi cations ............................................. 1-4
Oil Specifi cations ........................................................ 1-4
Oil Capacity ................................................................ 1-4
Torque Specifi cations ................................................. 1-5
Gear Train ......................................................................... 1-6
FREESPOOL
Operation ............................................. 1-7
Operation and Control ....................................................... 1-8
Hydraulic System ............................................................... 1-9
Planetary
Reducer ..................................................... 1-9
Brake ........................................................................ 1-10
Motor ........................................................................ 1-11
Directional Control Manifold ..................................... 1-12
Logic Control Manifold .............................................. 1-12
HI-SPEED Limit Switch ............................................ 1-12
Electronic Control Panel ........................................... 1-12
Sequence of Operation .................................................... 1-13
BRAKE-ON
............................................................... 1-13
LINE-IN ..................................................................... 1-14
HI-SPEED LINE-IN ................................................... 1-16
LINE-OUT ................................................................. 1-18
HI-SPEED LINE-OUT ............................................... 1-20
FREESPOOL ........................................................... 1-22
Schematics ...................................................................... 1-25
Troubleshooting
..................................................... 2-1
General .............................................................................. 2-1
Step-By-Step Pump & Controller Troubleshooting ............. 2-2
Troubleshooting Analysis Check Chart .............................. 2-4
Service
......................................................................... 3-1
General ............................................................................. 3-1
Maintenance ...................................................................... 3-1
Maintenance
Points .................................................... 3-1
Maintenance Schedule ............................................... 3-1
Checks Before Operation ........................................... 3-2
Checks During Operation ........................................... 3-2
FREESPOOL Drag Adjustment ......................................... 3-2
Hydraulic System Pressure Checks .................................. 3-2
Preparation
................................................................. 3-2
Pressure Gauges ....................................................... 3-2
Standby Pilot Supply Pressure Check ........................ 3-2
Maximum Pilot Supply Pressure Check ..................... 3-3
Counterbalance Valve Pressure Check ...................... 3-3
Motor Supply Pressure Check .................................... 3-3
Brake Pressure Check ................................................ 3-3
Brake Valve Pressure Check ...................................... 3-3
FREESPOOL Pressure Check ................................... 3-4
High Speed Pressure Check ...................................... 3-4
LINE-IN Pressure Check ............................................ 3-5
LINE-OUT Pressure Check ........................................ 3-5
Valve Setting Procedures .................................................. 3-5
Load Sense Relief Valve ............................................ 3-5
Pilot Supply Reducing Valve ...................................... 3-5
Hydraulic System Pressure Tests Table ............................. 3-6
Repairs
........................................................................ 4-1
General ............................................................................. 4-1
Winch Removal.................................................................. 4-1
Winch Disassembly ........................................................... 4-1
Intermediate & FREESPOOOL Shaft Removal .......... 4-2
Drum Shaft & Drum Removal ..................................... 4-5
Hydraulic System Disassembly .................................. 4-9
Motor Shaft Removal & Disassembly ....................... 4-14
Motor Disassembly ................................................... 4-17
Brake Disassembly ................................................... 4-20
Planetary Reducer Disassembly .............................. 4-22
Winch Assembly .............................................................. 4-24
Visual Inspection ...................................................... 4-24
Planetary Reducer Assembly ................................... 4-26
Brake Assembly ....................................................... 4-28
Motor Assembly ........................................................ 4-30
Motor Shaft Assembly & Installation ......................... 4-33
Hydraulic System Assembly ..................................... 4-36
Drum & Drum Shaft Installation ................................ 4-41
Intermediate & FREESPOOL Shaft Installation ....... 4-46
Winch Installation ............................................................ 4-50
Contents