MacDon 9000 Operator's Manual page 111

Self-propelled wind rower
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MAINTENANCE/SERVICE
Traction
Drive: Park Brake
The park brake Is applied when brake
lever (A) Is
locked in the up position.
Adjust park brake after the first 1 O hours of
operation and every 100 hours thereafter.
To
increase brake
force:
1. Move lever (A) down to release brake.
2. Turn knob (B) clockwise until brake force is
adequate. Force required to raise lever to the
engaged position should be
70
to 90
lbs.
(300
-
400 N).
NOTE:
When brakes are approximately half worn,
knob (B) will reach the end of the adjustment
range.
At this time, perform the following
adjustment:
1.
Turn knob (B)
counter-clockwise,
back
to the
beginning of the adjustment
range.
2.
At the
rear
of both tractor
frame
legs,
remove
locknut (C) and flat washer
(D).
Move
link
(E)
to
welded bolt
(F).
3.
Reinstall hardware, turning
locknut (C)
until
the
gap between the head of
the
welded bolt
(F)
and washer
(D) is 3/8 inch (10
mm) as
shown.
4. Turn knob (B) on brake lever clockwise until
brake
force
is
adequate.
Force required to raise
lever
to the engaged
position should be 70 to
90 lbs. (300 -
400 N).
NOTE:
When installing new brake bands, return
link (E) to original position, both sides, and adjust
hardware as shown.
107
PARK BRAKE ADJUSTMENT
REPOSITION BRAKE LINK ON FRAME LEG
AT HALF-WEAR STAGE
J3 . . .
~
(10mm)
ADJUST BRAKE LINK HARDWARE

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