MacDon FD75 OM - Manual (Page 335)

MAINTENANCE AND SERVICING
Installing Knifehead Shield
The knifehead shield is supplied in flattened form and can be bent to suit installation on pointed or stub guard
cutterbars and on double-knife headers. Shields are slightly different depending on header size and guard
configuration. Ensure proper shield is used. See header parts catalog for proper replacement parts.
DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under header for any reason. Refer to the combine
operator’s manual for instructions regarding the proper use and storage of header safety props.
1. Raise reel fully, lower header to ground, shut down combine, and remove key.
WARNING
To avoid bodily injury from fall of raised reel, always engage reel safety props before going under raised
reel for any reason.
2. Engage reel arm locks.
CAUTION
Wear heavy gloves when working around or handling knifes.
3. Place knifehead shield (A) against endsheet as shown.
Orient the shield so that cutout matches profile of
knifehead and/or hold-downs.
4. Bend shield along slit to conform to endsheet.
5. Align mounting holes and then install two 3/8 in. x 1/2
Torx
®
head bolts (B).
6. Snug up bolts just enough so that shield can be
adjusted as close as possible to the knifehead.
7. Manually rotate knife drive box pulley to move knife
and check for areas of contact between the knifehead
and shield.
8. If required, adjust shield to avoid interference with
the knife.
9. Tighten bolts.
Figure 6.134: Knifehead Shield
169894 321 Revision A