844/642 Telehandler INTERMEDIATE BOOM

Intermediate Boom Installation

STEP 18

Apply grease to the inside bottom and top surfaces of the outer boom where the pads of the intermediate boom section will contact when assembled. Use a brush attached to a rod or pole to reach inside the boom.

STEP 19

Install the intermediate boom section into the outer boom as far as possible.

STEP 20

Lower the hoist and move the lifting strap to the end of the intermediate boom section, apply upward pressure and slide the intermediate boom section into the outer boom until there is approximately 12 inches (30 cm) left sticking out the outer boom.

Step 22

STEP 21

Using the hoist and lifting strap, apply upward pressure to the intermediate boom.

Reinstall the two bottom slide pads on the front of the outer boom, using the lockplates (1) and bolts (2). Use Loctite 271 (red) Thread Lock (or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque. Bend each end of the lockplates up.

STEP 23

Using the hoist and lifting strap, lower the intermediate boom slightly.

STEP 24

Reinstall the two top slide pads and shims on the front of the outer boom using the bolts and washers. Use Loctite  271 (red) Thread Lock (or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque.

Template Name: OML_2_col

STEP 25

STEP 27

G0605093

Reinstall the two side slide pads and shims to the front of the outer boom using the bolts and washers. Use Loctite  271 (red) Thread Lock (or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque.

STEP 26

G1626MP

Reinstall the hose tray bracket to the intermediate boom using the two bolts and washers. Use Loctite 271 (red) Thread Lock (or equivalent) on the threads of the bolts.

STEP 28

G1627MP

Reinstall the upper side slide pad and shims to the front of the outer boom using the two bolts. Use Loctite  271 (red) Thread Lock (or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque.

G1624MP

Reinstall the lower side slide pad and shims to the front of the outer boom using the two bolts. Use Loctite  271 (red) Thread Lock ( or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque.

STEP 29

Remove the lifting strap and push the intermediate boom section into the outer boom as far as possible.

Step 30

Step 32

Reinstall the two side slide pads and shims (1) to the rear of the intermediate boom, using the lockplates (2) and bolts (3). Use Loctite  271 (red) Thread Lock on the threads of the bolts and tighten to 30 ft.lbs. (41 Nm) torque. Bend each end of the lockplates up.

Step 31

Reinstall the two top slide pads and shims (1) to the rear of the intermediate boom, using the lockplates (2) and bolts (3). Use Loctite  271 (red) Thread Lock (or equivalent) on the threads of the bolts and tighten to 30 ft.-lbs. (41 Nm) torque. Bend each end of the lockplates up.

Apply grease to the inside bottom and top surfaces of the intermediate boom section where the pads of the inner boom will contact when assembled. Use a brush attached to a rod or pole to reach inside the boom.

Step 33

Reinstall the inner boom section into the intermediate boom. See Section 703 of this manual for correct procedure.

Step 34

Reinstall the extend cylinder into the inner boom. See Section 610 of this manual for correct procedure.