FlexArm Hydraulic Tapping Arm GHM-45

Turn the handle until the adjuster reaches the bottom most position

Remove the top two bolts on the front plate

Ensure the front arm naturally springs to the most upright position after bolt removal

Remove the two snap rings holding the cylinder pin

Ensure the Power Pack is turned off and cooled down

Gather necessary tools and materials

Locate the oil drain plug at the bottom of the Power Pack

Remove the oil drain plug using a metric hex head bolt wrench

Replace and secure the oil drain plug

Locate the fill plug at the rear of the Power Pack

Is the gearbox a 2 speed model?

Check the gearbox for any visible damage or wear.

Does the gearbox require greasing?

Use only Lithium type grease for greasing.

Ensure not to over grease the gearbox.

Verify that the gearbox is functioning correctly after maintenance.

Cover the openings (bores) when FlexArm is removed from the angle mount

Ensure the exposed exterior surface on the shaft of the FlexArm’s rear pin does not contact foreign material

Wrap the rear pin if not immediately repositioned

Inspect the surface of the rear pin before reinsertion

Is cleaning of the rear pin shaft necessary?

Thoroughly clean the shaft of the rear pin if needed

Check the tightness of the following bolts

Apply Loctite 242 to the threads of loose bolts

Have all bolts been secured properly after reassembly?