MacDon 960 - Drapers; Draper Tension Adjustment; Replacing Drapers

MAINTENANCE/SERVICE
DRAPERS
Draper Tension Adjustment
Draper tension should be just enough to prevent
slipping.
Draper tension is controlled by spring assemblies at
each idler roller. Set draper tension as follows:
SHORT DECK - TRIPLE DELIVERY HEADER
DRAPER TENSION ADJUSTMENT
l
1/10 (l.S mm)
~\
. '"'''' (~
3. Tighten locknut (B) to secure the new position.
IMPORTANT: Do not over·tighten draper so that
spring is completely collapsed (no gap between
coils). Operating
with spring collapsed may lead to
failure
of draper, draper rollers andlor tightener
components.
NOTE: If draper slips on drive roller with proper
tension adjustment, drive roller lagging
is available
from your dealer.
2. Loosen locknut (8) and slide bracket (C) away
from idler roller as far as hand force allows.
NOTE: It may
be necessary to tap bracket (C)
with a hammer to start it moving.
4. Turn bolt head (0) clockwise until gap (E)
between idler spring coils is 1/16 inch (1.5 mrn).
NOTE: For short deck draper (at extreme right end
of Triple Delivery Headers) go to step 4.
1. Check that draper guide (A) is properly engaged
in grooves of both drive and idler rollers.
Replacing Drapers
When installing drapers:
1. Ensure you have the proper length draper.
2. Adjust draper opening. See page 21.
3. Install screws (C) with heads facing center
opening.
r
\
3/4~
(20 mm)
~
t
~
~ SCREW HEADS FACE
Y--J CENTER OPENING
INSTALL DRAPERS CORRECTLY
)
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