JLG TOUCAN 8E Service And Maintenance Manual page 78

SECTION 5 - TURNTABLE AND VERTICAL MAST
nd
2 Chains Stage Removal (T8E/T20E)
1. Using the ground controls, raise the mast to gain
access to chain attachment #3 and #4.
2. Support efficiently mast section #4 with a couple of
suitable blockings as indicated on the figure below.
The blockings must rest on the turntable circular
base plate.
Figure 5-41. Supporting Mast Sections
3. Using the ground controls, lower the mast until the
mast section rests on blockings. Secure the block-
ings with C-clamps.
4. Remove the locknut, the attachment nut and the
bevel washers from a chain anchor at attachment
#3.
5-22
5. If installed, remove the chain slack detection system
from the other end of the chain. If not installed,
remove the locknut and the attachment nut from the
other end of the chain;
6. Remove the chain from the pulley. Install and ten-
sion a new chain before removing the other one.
nd
2 Chains Stage Installation (T8E/T20E)
1. Install a short anchor and a long one on the chain.
Correctly install the split pins on the clevis pins.
2. Run the chain over the pulley so that the short
anchor is on the side of attachment #4.
3. Install the chain slack detection assembly or the
attachment nut and locknut (as indicated on the pre-
vious figure) at attachment #4.
4. Install the bevel washers and the attachment nut at
attachment #3.
5. Check that the chain is correctly positioned in the
pulley groove and tighten the attachment nut (on the
long anchor) until the chain is under tension. The
locknut will be installed after chains tension adjust-
ment procedure.
6. After both chains of the stage have been replaced,
slightly raise the mast using the ground controls.
Remove C-clamps and blockings.
7. Adjust lifting chains tension accordingly.
– JLG Lift – 31210090