4 first boom section removal, First boom section removal – SkyTrak 8042 Service Manual User Manual

Page 46

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Boom

3-8

6036, 6042, 8042, 10042, 10054

16. Inspect all wear pads for wear. Refer to Section 3.9,

“Boom Wear Pads.”

17. Remove the extend chain sheave (12).

3.4.4

First Boom Section Removal

1. Use a suitable overhead lifting device and sling

attached to the Lift/Lower cylinder; remove slack
from the sling.

2. At the underside of the boom, locate the retract

chain locknut (13). Measure the amount of threads
protruding beyond the locknut and record that
measurement for reassembly of the chain. Remove
the locknut and flat washer.

3. Remove the retract chain by pulling it out through

the rear of the boom. Place the retract chain on a
clean surface.

4. Label, disconnect and cap the hydraulic hoses from

the bulkhead fittings on the mounting plate (14).
Remove the tubes from the bulkhead fittings.

5. At the rear right side of the boom, label, disconnect

and cap the boom Extend/Retract hoses from the
bulkhead fittings on the mounting plate. Cap the
fittings to keep dirt and debris from entering the
hydraulic system.

6. Remove the tube clamps (15) and clamp covers to

the Extend and Retract tubes under the boom.

7. At the rear right side of the boom, label, disconnect

and cap the Extend and Retract tubes (16) from the
bulkhead fittings.

Cap the fittings to keep dirt and

debris from entering the hydraulic system.

MH1091

12

MH1111

13

MH1131

14

MH1151

15

16

MH1201

17

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