Genie GR-12 Service Manual

Also see for Lift Guard GR-12: Service manual Installation instructions Operator's manual Operator's manual supplement Operator's manual

Contents

Genie GR-12 Service Manual Manual pdf 95 page image

May 2018 Service ManualMast ComponentsPart No. 1275811GT GR ™ • QS™R • QS™ W 8110 Slide the column below the carriage towardthe top of the mast assembly approximately 6inches / 15 cm to access the idler wheelmounting fasteners.11 Hold the idler wheel axle from turning byplacing a screwdriver through the hole in theaxle. Remove the axle mounting fasteners andremove the idler wheel assembly.Note: Label the location and orientation of eachidler wheel assembly.12 Remove the adjustment nuts from the chaintension rocker on the carriage.13 Slide the carriage out the bottom of the mastassembly.14 Lay the chains out on the floor at the top of themast.Note: Do not allow the chains to become twisted ordirty.15 Remove the adjustment nuts from the chaintension rocker on the column.16 Remove the column by sliding the column outthe bottom of the mast.17 Push the next column toward the top of themast to access the idler wheel assemblymounting fasteners.18 Hold the idler wheel axle from turning byplacing a screwdriver through the hole in theaxle. Remove the axle mounting fasteners,and remove the idler wheel assembly.19 Remove the adjustment nuts from the chaintension rocker on the column.20 Slide the column out the bottom of the mast.21 Repeat steps 17 through 20 for eachremaining column.Note: If the chains are to be removed, mark thelocation and label each chain before removal.How to Ass embl e the M astHow to Assemble the MastBodily injury hazard. Thisprocedure requires specific repairskills, lifting equipment and asuitable workshop. Attemptingthis procedure without these skillsand tools could result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.1 Thoroughly clean all columns.2 Secure the number 1 column to the work tableand lay the chains out on the floor.Note: Do not allow the chains to become twisted ordirty.3 Apply a generous amount of Boelube® wax tothe inside and outside channels of eachcolumn.4 Slide the number 2 column into the number 1column.5 Lay the number 2 column chains on the floor.Note: Do not allow the chains to become twisted ordirty.6 Lay the number 1 column chains inside thenumber 2 column.7 Slide the number 3 column into the number 2column.8 When the number 3 column is almost all theway in, guide the number 1 column chains intothe chain tension rocker on the number 3column.9 Install the adjustment nuts on the number 1column chains. Tighten the adjustment nutsuntil the lifting chains have equal tension andthe chain tension rocker is centered in theinspection hole in the column.