MacDon D65 - Adjusting Stub Guard Hold-Downs

214327 152 Revision B
1024845
A
B
C
D
E
Figure 5.51: Double-Knife Center Short Knife Guard
Hold-Down
5. Double-knife center stub guard: Manually stroke knife to
locate sections under hold-down (B). Measure clearance
between knife sections (A) and (C) with a feeler gauge. The
clearance should be as follows:
• At hold-down tip (D): 0.1–0.4 mm (0.004–0.016 in.)
• At rear of hold-down (E): 0.1–1.0 mm (0.004–0.040 in.)
6. If necessary, refer to Adjusting Stub Guard Hold-Downs,
page 152.
Adjusting Stub Guard Hold-Downs
DANGER
To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key before adjusting the machine.
1. Shut down the engine, and remove the key from the ignition.
Forged hold-down:
1018604
C
D
B
F
A
E
Figure 5.52: Normal Stub Guard Forged Hold-Down
2. Manually stroke knife to center section(s) (A) under hold-
down (B) as shown.
3. Loosen nuts (C) and back off bolts (D) clear of cutterbar.
4. Position a C-clamp or equivalent on trash bar at
location (F), and lightly clamp hold-down (B) to guard (E).
5. Turn bolts (D) until they contact cutterbar, then tighten
ONE turn.
6. Remove clamp.
7. Tighten nuts (C) and torque to 45 Nm (35 lbf·ft).
8. Check that specified clearances are achieved. For
instructions, refer to Checking Stub Guard Hold-Downs,
page 151.
MAINTENANCE AND SERVICING