EP Equipment CQD16, Service Manual

Page: 227 / 251

213
REV. 07/2016
SERVICE MANUAL - MAST
A
A4-2 Lifting Chains
-
- Lower the mast to the bottom;
Press the emergency stop switch and discon-
nect the key switch;
A4-2.1 Chain Adjustment
Switch off the power supply before any adjust-
ments or operations!
CAUTION
-
-
-
Loosen the upper and lower lock nuts (2) on
chain bolt;
Through screwing upward the adjusting nut
(9) in the middle, the chain will slowly tension;
When the chain is adjusted to be tensioned
with no obvious loosening, fasten the upper
and lower lock nuts;
When the adjustment is completed, there sh-
ould be an adjustable distance of at least three
pitches over the chain bolts.
CAUTION
-
- Pull out emergency stop switch and turn on
the key switch;
Through repeatedly lifting/lowering the mast
to test if the chain is tensioned. If the chain is
still loose, repeat the steps above.
Chain Adjusting
Nut
(Mast Chain)
Chain Adjusting
Nut
(Fork Carriage Chain)