
Stellar®108-12 Flex Owner’s Manual | Page iii
Table of Contents
Serial Tag Location .....................................................................................................................................................................................ii
Introduction iv
Hooklift Nomenclature.............................................................................................................................................................................. v
Chapter 1 - Specifications..............................................................................................................................................................................1
Model 108-12 Flex Specifications............................................................................................................................................................. 1
Acceptable Subframe Dimensions - Model 108-12 Flex....................................................................................................................... 2
Flex36 Grease Zerk Locations................................................................................................................................................................... 2
Chapter 2 - Installation ...................................................................................................................................................................................3
General Installation................................................................................................................................................................................... 3
Installer Notice ....................................................................................................................................................................................... 3
Torque Data Chart ................................................................................................................................................................................ 4
Installation Note..................................................................................................................................................................................... 5
Step 1: Set the hooklift onto the truck frame. ........................................................................................................................................ 5
Step 2A (Non-F550/RAM5500): Bolt tie-down castings to mounting plates........................................................................................ 6
Step 3A (Non-F550/RAM5500): Drill mounting holes into frame rail. .................................................................................................... 7
Step 4A (Non-F550/RAM5500): Bolt tie-down castings to truck frame................................................................................................ 7
Step 2B (F550): Bolt tie-down castings to mounting plates. ................................................................................................................. 9
Step 3B (F550): Drill mounting holes into frame rail.............................................................................................................................. 10
Step 4B (F550): Bolt tie-down castings to truck frame......................................................................................................................... 10
Step 2C (RAM5500): Bolt tie-down castings to mounting plates. ...................................................................................................... 12
Step 3C (RAM5500): Drill mounting holes into frame rail..................................................................................................................... 13
Step 4C (RAM5500): Bolt tie-down castings to truck frame. .............................................................................................................. 13
Step 5: Install bumper.............................................................................................................................................................................. 15
Step 6: Install tarper tower (If applicable)............................................................................................................................................ 15
Step 7: Install hydraulic reservoir and valve bank. .............................................................................................................................. 15
Reservoir Assembly (Cable Controls) - PN 87080 ............................................................................................................................. 16
Reservoir Assembly (Air Controls) - PN 87083.................................................................................................................................... 17
Reservoir Assembly (Electric Controls) - PN 97093 ........................................................................................................................... 18
Reservoir Subassembly - PN 86117..................................................................................................................................................... 19
Side Mount Reservoir Subassembly - PN 88147 ................................................................................................................................ 20
Valve Bank Parts Drawing................................................................................................................................................................... 21
Step 8: Install PTO and pump................................................................................................................................................................. 22
Face Seal/O-Ring Size Chart.................................................................................................................................................................. 23
Step 9: Route hydraulic hoses................................................................................................................................................................ 23
Hose Kit - PN 72355 .............................................................................................................................................................................. 24
Power Beyond VDM8 Valve ............................................................................................................................................................... 25
Step 10: Route Electrical Components................................................................................................................................................. 26
Step 11: Install cab and PTO controls. .................................................................................................................................................. 27
Cable Controls..................................................................................................................................................................................... 27
2 Section 120 in Loader w/Ram Mount - Ford F550 ......................................................................................................................... 28
Ram Mount Adjustment Instructions - Ford F550.............................................................................................................................. 29
2 Section 120 in Loader w/Ram Mount - RAM 5500 ........................................................................................................................ 30
Ram Mount Adjustment Instructions - RAM 5500 ............................................................................................................................. 31
Air Controls ........................................................................................................................................................................................... 32
Electric Controls................................................................................................................................................................................... 33
Step 12: Install Hoist Up Light Sensor - PN 83115................................................................................................................................... 34
Step 13: Install mud flaps and fenders. ................................................................................................................................................. 35
Poly Fender Assembly - PN 15681 ...................................................................................................................................................... 35
Steel Fender Assembly - PN 89528..................................................................................................................................................... 35
Step 14A: Apply Hooklift Assembly Decals........................................................................................................................................... 36
Step 14B: Apply Chassis Decals ............................................................................................................................................................. 37
Step 15: Fill reservoir and activate hydraulic flow. .............................................................................................................................. 38
Step 16: Operate hooklift. ...................................................................................................................................................................... 38
Pressure vs. Capacity.......................................................................................................................................................................... 38
Set System Relief Pressure ................................................................................................................................................................... 39
Chapter 3 - Assembly Drawings ..................................................................................................................................................................41
Base Assembly - PN 41827 ...................................................................................................................................................................... 41
Dump Assembly - PN 34247.................................................................................................................................................................... 42
Secondary Assembly - PN 34249 ........................................................................................................................................................... 43
Main Cylinder Assembly - PN 33462 ...................................................................................................................................................... 46
Tilt Cylinder - PN 35169 ............................................................................................................................................................................ 46
Bumper Assembly - PN 81300................................................................................................................................................................. 47
Optional Gladhand Assembly - PN 81908 ............................................................................................................................................ 47
Optional Tab Alarm Kit - PN 43120......................................................................................................................................................... 48
Optional Tab Alarm Wire Harness - PN 26291....................................................................................................................................... 49
Optional Proximity Switch Wire Harness - PN 26416............................................................................................................................. 50