MAC215986
364
Revision A
Checking Center 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.
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
.
1029151
D
A
B
C
Figure 4.167: Center Knife Guard Hold-Down
4.
Manually stroke both knives to their inboard end so that
knife sections are 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 hold-down (A) and the knife section.
Ensure the clearance is as follows:
•
At tip (B) of hold-down: 0.1
–
0.5 mm (0.004
–
0.020 in.)
•
At rear (C) of hold-down: 0.1
–
1.0 mm (0.004
–
0.040 in.)
6.
If adjustment is required, refer to
7.
If no adjustment is required, tighten nuts (D) to 85 Nm
(63 lbf·ft).
8.
Recheck clearance after tightening nuts.
Adjusting Center 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.
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.
