MAC215986
360
Revision A
Checking Hold-Down
–
Short Knife Guards
Perform
DAILY
inspections to ensure the knife hold-downs are preventing the knife sections from lifting off the guards
while permitting the knife to slide without binding.
To check the center hold-down on double-knife headers, refer to
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator
’
s seat, and always engage the safety props before going under the
machine for any reason.
WARNING
Wear heavy gloves when working around or handling knives.
1.
Raise the reel fully.
2.
Shut down the engine, and remove the key from the ignition.
3.
Engage the reel safety props. For instructions, refer to
Engaging Reel Safety Props, page 33
.
1028508
B
A
Figure 4.159: Short Knife Guards
4.
Manually stroke the knife to position the section under
hold-down (A).
5.
Push down on knife section with approximately 44 N
(10 lbf) of force, and use a feeler gauge to measure the
clearance between the tip of hold-down (B) and the knife
section. Ensure the clearance is 0.1
–
0.5 mm
(0.004
–
0.020 in.).
6.
If adjustment is required, refer to
Adjusting Hold-Down
–
Short Knife Guards
Perform
DAILY
inspections to ensure the knife hold-downs are preventing the knife sections from lifting off the guards
while permitting the knife to slide without binding.
To adjust the center hold-down on double-knife headers, refer to
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator
’
s seat, and always engage the safety props before going under the
machine for any reason.
WARNING
Wear heavy gloves when working around or handling knives.
