
September 2016
Table of Contents
Part No. 1272215 Scissor Lifts xi
Q-20 Test the Down Limit Switch, Level Sensor and Pothole Limit Switches -
GS-30, GS-32, GS-46 and GS-47................................................................45
Q-21 Test the Platform Gate Proximity Switches and the Extension Deck Limit
Switch - GS-2646 AV, GS-2646 AV35 .........................................................49
Annual Maintenance Procedures......................................................................51
A-1 Check the Drive Hub Oil Level and Fastener Torque....................................51
A-2 Test the Function Pump - GS-69 BE and GS-69 DC ....................................51
A-3 Test the Oscillate Axle - GS-90 .....................................................................52
A-4 Test the Down Limit Switch Descent Delay - GS-69, GS-84 and GS-90 (if
equipped)......................................................................................................55
A-5 Test the Platform Overload Pressure Transducer and Platform
Height Sensor - GS-30, GS-32, GS-46 and GS-47 (if equipped).................57
A-6 Test the Platform Overload System - GS-30, GS-32, GS-46 and GS-47
(if equipped)..................................................................................................60
A-7 Test the Platform Overload System - GS-69 (if equipped)............................62
A-8 Test the Platform Overload System - GS-84 and GS-90 (if equipped) .........64
Programmed Maintenance Procedures ...........................................................66
P0-1 Inspect the Engine Air Filter - GS-69 RT.....................................................66
P0-2 Grease the Steer Yokes - GS-30, GS-32, GS-46 and GS-47.....................67
P0-3 Deutz Engine Maintenance – Under 1000 Hours........................................68
P0-4 Ford Engine Maintenance – Under 1000 Hours..........................................69
P0-5 Kohler Engine Maintenance – Under 1000 Hours.......................................70
P0-6 Kubota Engine Maintenance – Under 1000 Hours......................................71
P0-7 Perkins Engine Maintenance – Under 1000 Hours .....................................72
P0-8 GM Engine Maintenance – Under 1000 Hours............................................73
P1-1 Perform Engine Maintenance – 1000 Hours ...............................................74
P1-2 Replace the Drive Hub Oil - GS-69, GS-84 and GS-90 ..............................75
P2-1 Perform Engine Maintenance – 2000 Hours ...............................................75
P2-2 Replace the Hydraulic Filters.......................................................................76
P2-3 Check the Free-wheel Configuration - GS-84 and GS-90...........................77
P2-4 Check the Scissor Arm Wear Pads (and Slider Blocks, if equipped)..........79
P2-5 Grease the Steer Axle Wheel Bearings - GS-69 BE and GS-69 DC...........82
P2-6 Test or Replace the Hydraulic Oil................................................................83
P3-1 Perform Engine Maintenance – 3000 Hours ...............................................84