Lifting Chains Adjustment - JLG TOUCAN 1010 Service Manual

5
4- Use a plumb line to ensure the vertical
alignment of the mast sections is kept :
Plumb
Plumb
line
line
INCORRECT
5- Tighten the roller pin locknuts.
Torque value : 1000 N.m approximately.
! CAUTION
If during adjustment one of the mast sections
jams, stop the lowering movement and raise
the mast to retension the chains. Loosen
slightly the roller pins of the jammed mast.
Controls after adjustment
- Fully raise and lower the telescopic mast two
or three times with the rated load (200 kg)
evenly distributed in the platform.
- If no jamming occurs, fully raise and lower the
telescopic mast with one person in the platform.
- If jamming occurs during lowering, loosen
slightly the roller pins of the jammed mast
section.
- Check the torque value of all roller pin locknuts.
Do not hesitate to contact your approved JLG
distributor for more information.
Models
Toucan 1010
Edition 04-2006
MAINTENANCE

5.18 Lifting chains adjustment

The lifting chains of a same stage must have an
identical tension.
The chains must always be tensioned so that the mast
sections are slightly offset towards the top :
Plumb
line
CORRECT
Control of tension :
Refer to Section 8. LUBRICATION for chain
lub rication p roced ure and l ubricant
specification.
1- Fully raise the telescopic mast.
2- Lower the mast by approximately 50 cm.
3- Press on each chain between the pulley and
chain yoke. Each chain of a same stage must
have the same deflection.
4- Fully lower the mast.
5- Raise the mast by approximately 50 cm.
Ensure the deflection is the same for each chain
of a same stage :
Tighten the nut on the anchor
of the chain which is too slack
or loosen the nut on the anchor
of the chain which is too tight,
ensuring the final offset of the
Deflection
mast sections is kept.
6- Check the presence and correct tightening of
the locknut on each chain anchor.
NOTE
5
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