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5508 jcb telehandler last boom extension won’t retract.

5508 jcb telehandler last...

5508 jcb telehandler last boom extension won’t retract

Mechanic's Assistant: What is the complete model and serial number of your machine?

U128092l

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Replaced valve coils on valve body under cab and replaced all fuses and all relays in fuse box

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Answered in 57 minutes by:
3/7/2018
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,885
Experience: Owner at DJ Wilson
Verified

Hi ,My name is Dan. I will be glad to help. We can follow up as needed on here, Give me some time to review your information and post my responses. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc.

Ask Your Own Medium and Heavy Trucks Question

What were the chain of events that occurred when this first happened or acted up?

Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,885
Experience: Owner at DJ Wilson
Verified
Daniel Wilson and 87 other Medium and Heavy Trucks Specialists are ready to help you
Ask your own question now
Customer reply replied 5 months ago
I bought it and first time I extended it all the way last one won’t retract
Phone call session started

Pleasure speaking with you. Click on this link to access the online parts

Parts

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Extend Boom/Retract Boom

!

WARNING

Make sure it is clear overhead before extending araised boom. Keep an adequate safe distance from allelectrical power lines. Contact your local powercompany for safety procedures.

5-2-2-1/1

!

WARNING

Control lever/switch action may vary on machines,decals near the levers/switches show by symbols,which levers/switches cause what actions. Beforeoperating control levers/switches check the decal tomake sure you select the desired action.

5-2-2-9

!

CAUTION

Do not extend the boom whilst an attachment isconnected to the high flow auxiliary connectors (iffitted). Severe damage to the hoses will result.

0054

C

Extend Boom

D

Retract Boom

Extend Boom/Retract Inner Boom

!

CAUTION

Do not extend the innner boom section until allintermediate sections are fully extended. This willreduce load on the boom. Always extend theintermediate boom sections first for routine operationof the machine.

0052

The inner boom section will not operate until the stabiliserlegs are lowered.

1

Lower the stabilsers.

See

Using the stabilisers

(OPERATION Section)

.

2

Press switch

Y

to activate the inner boom section,

3

Operate main control lever as required.

C

Extend Inner Boom

D

Retract Inner Boom

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