Lull 944E-42 Service Manual Bedienungsanleitung PDF herunterladen (Seite 42)

Boom

3-12

944E-42

2. Place the extend chain and clevis, as an assembly

on top of the third boom section and allow the chains

and clevis to overhang the boom head. DO NOT

allow the chain to twist or kink.

3. At the rear of the boom, attach the retract chain (10)

to the same hole in the anchor link (11) with the

previously used hardware. Loctite

242™ and torque

to 37-66 lb-ft (50-90 Nm).

4. Install the top, side and bottom wear pads (12) to the

rear of the third boom section.

5. Grease the sections of the boom in areas where the

wear pads will slide.

6. Using a suitable overhead lifting device and sling,

carefully slide the third boom section into the second

boom section.

7. Install the bottom wear pads at the front of the

second boom section.

8. Slide the third boom section into the second boom

section. Remove the sling.

9. Install the extend chain yoke to the third boom

section. Coat the clevis pin (13) with anti-seize

compound.

10. From the rear of the boom, push the attachment tilt

and auxiliary hydraulic hoses (14) through the third

boom section along the hose guides. Leave enough

hose out of the back of the boom for the Extend/

Retract cylinder to be installed.

11. Use a suitable overhead lifting device and sling to

carefully raise and position the Extend/Retract

cylinder into the rear of the third boom section.

Readjust the sling as needed to help balance the

cylinder in the sling during installation.

MU0261

MU5061

MU1211

MU0221

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Lull 944E-42 Service Manual Bedienungsanleitung Seite 42