MacDon A40-D - Manual (Page 124)

SECTION 7 MAINTENANCE AND SERVICING
169000 / 169040
122
Revision E
TIP: If trouble is encountered cutting tangled,
or fine-stemmed material, replace guards with
stub guards.
If material is tough to cut, install stub guards with
top guard and adjuster plate. A stub guard
conversion kit for the header/mower conditioner
is available from your Dealer. Refer to Section
9.5 STUB GUARD CONVERSION KIT.
7.8.7.2 Guard Replacement
Check daily that guards are firmly bolted to the
cutterbar, and are not worn or broken. Replace
as required. A worn or broken guard can be
replaced without removing sickle from cutterbar.
7.8.7.2.1 Pointed Guard Replacement: Single
Knife
CAUTION
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Stroke the sickle so that sickle sections are
spaced midway between the guards.
b. Remove two nuts (A), and carriage bolts that
attach guard (B) and hold-down (C) (if
applicable) to the cutterbar.
c. Remove the guard and the hold-down.
d. Position new guard on cutterbar, and install
carriage bolts.
IMPORTANT
The second, third, and fourth outboard
guards on drive side of the header do not
have a support. Ensure that the proper
replacement is installed.
e. Install hold-down, and secure with nuts. Tighten
nuts to 50 ft·lbf (68 N·m).
f. Check and adjust clearance between hold-down
and sickle. Refer to Section 7.8.8 Sickle Hold-
Downs.
B
A
C
DRIVE SIDE
NORMAL