MacDon PW7 Pick-Up Header - Manual (Page 65)

SECTION 7 – SERVICE
Form 169149 Revision E 59
D00528
NOTE: After removing drive shaft from
the combine be sure to place it onto the
storage bracket. See following photos.
Drive Shaft Storage Bracket
(Photo may vary according to model)
7.6 REPLACING HEADER DRIVE
CHAIN SPROCKETS
WARNING : Make sure the
combine; header is lowered or
feeder house locks are engaged, the
combine is shut off, the key is removed
and all moving parts have stopped before
performing this procedure.
A) Chain Removal
a) Remove left shield. See Opening Header
Side Panels.
b) Release the tension in the chain. See
Header Drive Chain Adjustment.
c) Remove the connecting link in the chain
and take off the chain.
Drive Chain Links
B) Chain Installation
a) Seat the chain on the sprockets. Install the
drive chain and connecting links.
b) Set the chain tension. See Header Drive
Chain Adjustment for proper procedure.
NOTE: Check and adjust, if necessary, chain
tension after first 3 hours of operation, every
time new chain is installed
NOTE: The spring clip connectors must be
assembled into the chain so that the closed
end of the clip is facing the direction of travel.
Spring Clip Connectors
P00359
P00358
P00083