Labrie Pendpac WITTKE RETRO FL Maintenance Manual page 9

Major Electrical Components ............................................................................................................................................. 60
L TM
The W R F Control System ........................................................................................................................... 61
ITTKE ETRO
MDM Operations .................................................................................................................................................................... 61
Measurements Screen .......................................................................................................................................................... 62
How the Electrical System Works ...................................................................................................................................... 69
Circuit Breakers and Fuses ................................................................................................................................................... 71
Proximity Switches ................................................................................................................................................................. 72
Pneumatic System ......................................................................................................................................................................... 85
How the Pneumatic System Works .................................................................................................................................. 86
Pneumatic System Schematics .......................................................................................................................................... 91
Hydraulic System (Commercial Type Fl) ................................................................................................................................ 94
Hydraulic Oil Tank .................................................................................................................................................................. 94
Return Line Filter ..................................................................................................................................................................... 94
Return Line Filter Element ................................................................................................................................................... 95
Routine Maintenance ............................................................................................................................................................ 95
Element Replacement Procedure ..................................................................................................................................... 95
Hydraulic Oil ............................................................................................................................................................................. 96
Hydraulic Pump ....................................................................................................................................................................... 97
Directional Control Valves ................................................................................................................................................... 97
Pressure Relief Valve .............................................................................................................................................................. 98
Work Circuits (Commercial) ................................................................................................................................................ 98
Work Circuits (Residential) .................................................................................................................................................. 99
Work Circuits (Tip-to-Dump) .............................................................................................................................................. 99
Arms Up Deceleration Valve ............................................................................................................................................... 99
Pack Circuit Dump Valve .................................................................................................................................................... 100
Pressure Switch ..................................................................................................................................................................... 100
Tailgate Lock Valves ............................................................................................................................................................. 101
Service Hoist (optional) ...................................................................................................................................................... 101
Hydraulic System (Residential Type Fl) ................................................................................................................................ 102
Priority Valve .......................................................................................................................................................................... 102
Residential Main Valve Bank ............................................................................................................................................. 103
Auxiliary Hydraulic Attachment Work Section ........................................................................................................... 104
Arms Down Work Section .................................................................................................................................................. 104
Arms Down Deceleration Valve ....................................................................................................................................... 105
Hydraulic System (Tip-to-Dump Type Fl) ............................................................................................................................ 105
Hoist Work Section ............................................................................................................................................................... 105
Regeneration Valve .............................................................................................................................................................. 106
Hydraulic System Adjustments .............................................................................................................................................. 107
Adjusting the Arms Up Deceleration Valve ................................................................................................................ 107
Adjusting the Arms Down Deceleration Valve .......................................................................................................... 108
Adjusting the Main System Pressure ............................................................................................................................. 109
Adjusting the Pressure Switch ......................................................................................................................................... 111
Pressure Relief Valves ................................................................................................................................................................. 113
Hydraulic Hose .............................................................................................................................................................................. 113
Hydraulic Cylinders ..................................................................................................................................................................... 114
Hydraulic Options ........................................................................................................................................................................ 114
Dual Sliding Forks ................................................................................................................................................................. 114
Curotto Automated Can .................................................................................................................................................... 115
Cart Tipper ............................................................................................................................................................................... 115
Hydraulic System Schematics ................................................................................................................................................. 116
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