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Twin Disc HP 300, 600 service manual - Morbark

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Table of Contents<br />

8<br />

<strong>Twin</strong> <strong>Disc</strong>, Incorporated<br />

GP Control Valve hydraulic portion ................................................ 33<br />

Hydraulic System with GP Control Valve ....................................... 36<br />

GP Control Valve Electronic Control Interface (Profile Module) ....... 38<br />

Clutch Engagement Logic (Closed Loop) ...................................... 39<br />

Brake engagement ....................................................................... 39<br />

Power Take-off Clutch engagement........................................... 39<br />

Installation............................................................41<br />

Identifying the <strong>Twin</strong> <strong>Disc</strong> Power Take-off Model Number............ 41<br />

Identifying the SAE Housing Size .................................................... 42<br />

Prior to Installation ............................................................................ 43<br />

Preliminary Checks ........................................................................... 44<br />

Torsional Input Coupling Installation ............................................. 47<br />

<strong>HP</strong>TO Installation to Engine ............................................................ 51<br />

Final Checks....................................................................................... 56<br />

Check and Adjust Main Pressure ............................................... 56<br />

Check Clutch Operation Pressures ........................................... 58<br />

Plumbing - <strong>HP</strong><strong>300</strong>I, <strong>HP</strong><strong>300</strong>S, <strong>HP</strong><strong>300</strong>S, <strong>HP</strong><strong>600</strong>S .............................. 59<br />

Maintenance .........................................................61<br />

Allowable Side Loads........................................................................ 61<br />

Lubrication ......................................................................................... 64<br />

Grease Specifications .................................................................. 64<br />

Oil Specifications .......................................................................... 65<br />

Oil System ...................................................................................... 65<br />

Torsional Coupling............................................................................ 66<br />

Overhaul Interval ............................................................................... 67<br />

Periodic Visual Inspection........................................................... 67<br />

Deflection Alignment Adjustment .................................................... 68<br />

Alignment - U-Joint Installation ........................................................ 70<br />

Disassembly ........................................................73<br />

Power Take-off Removal From The Engine ................................... 73<br />

Remove and disassemble the GP Control Valve .......................... 75<br />

Remove the Coupling Housing and disassemble<br />

the Gear Towers ............................................................................ 76<br />

Hydraulic Power Take-off Service Manual

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