215651
153
Revision B
$
Figure 5.61: Knifehead
13. Install grease fitting (A) into the knifehead pin, and turn the
grease fitting for easy access.
14. Slowly apply grease to the knifehead until a slight
downward movement of the knifehead is observed.
IMPORTANT:
Do
NOT
overgrease the knifehead. Overgreasing leads to
knife misalignment causing excessive heating of guards and
overloading of drive systems. If overgreasing occurs,
remove the grease fitting to release pressure.
15. Check the alignment of the knife drive box pulley and the
drive pulley. If pulleys require adjustment, contact your
MacDon Dealer.
$
%
Figure 5.62: Knife Drive Box
16. Tighten the knife drive box side bolts (A) first, then tighten
bottom bolts (B). Torque to 271 Nm (200 lbf·ft).
17. Move the output arm to the mid-stroke position, and
ensure the knife bar doesn
’
t contact the front of the first
guard. If the knife drive box requires adjustment, contact
your MacDon Dealer.
18. Install and tension the knife drive belts.
•
For untimed headers, refer to
Untimed Double-Knife Drive Belts, page 160
.
•
For timed double-knife headers, refer to
Timed Double-Knife Drive Belts, page 167
•
For timed double-knife headers, also check the knife
timing. For instructions, refer to
.
19. Close the endshield. For instructions, refer to
.
Adjusting Knife Drive Box Squareness
To avoid damaging the knifehead, the knife drive box should be adjusted properly.
DANGER
To prevent bodily injury or death from the unexpected start-up of the machine, always stop the engine and remove the
key before making adjustments to the machine.
1.
Shut down the engine, and remove the key from the ignition.
2.
Open the required endshield(s). For instructions, refer to
Содержание D115X
Страница 26: ...215651 12 Revision B Figure 1 20 Backtube D115X Draper Header A MD 184422 B MD 184372 C MD 131391 SAFETY ...
Страница 27: ...215651 13 Revision B Figure 1 21 Backtube D120X Draper Header A MD 184372 B MD 166466 C MD 131391 SAFETY ...
Страница 28: ...215651 14 Revision B Figure 1 22 Backtube D125X Draper Header A MD 184372 B MD 166466 C MD 131391 SAFETY ...
Страница 38: ......
Страница 46: ......
Страница 118: ......
Страница 126: ......
Страница 256: ......
Страница 270: ......
Страница 272: ......
Страница 286: ......