8 • Section 3 — Safety
Figure 3.6 — Guards
Warning
Death, serious injury, or property damage can result
from starting or operating the chipper without the
guards in place. Make sure all guards are in place
before operating the chipper.
Feed Roll Lock Pin
The feed roll lock pin (refer to Figure 3.7) holds the feed
roll in the raised position to assist operators in clearing
infeed material clogs. Make sure pin is in good condition
and tethered to the chipper. Make sure the lift cylinder
operating system is operating properly.
Figure 3.7 — Feed Roll Lock Pin
1. Disengage clutch and wait for all drum movement to
stop.
2. With the lift cylinder controls, fully raise the feed roll.
Hold while inserting pin.
3. Feed the pin though the feed roll box and feed roll
assembly. Make sure the pin goes completely through
both feed roll assembly and box uprights.
4. Using the lift cylinder control, slowly lower the feed
roll. Do not apply down pressure.
5. Perform LOTO procedures.
6. Slowly lower the feed roller.
Warning
Death or serious injury can result if the upper feed
roller is not returned to the proper position. Do not
feed material into the chipper with the upper feed
roller in the locked open position.
Caution
Injury can result from being pinched or trapped be-
tween moving components. Keep hands clear.
Safety Tow Chains
Tow chains (refer to Figure 3.8) are to be utilized every
time a chipper is transported. Chains must be routed
under the trailer tongue in an X pattern between the tow
vehicle and trailer.
Figure 3.8 — Chain Routing
Slack in the chain should be adjusted by installing the
hook in the proper chain link to permit turning but not
dragging on the ground. Inspect chain, clevis, and hook
for damage or excessive wear.
Breakaway Switch
In the event of an unwanted separation of the chipper from
the tow vehicle, the tongue should drop into the cradle
formed by the X pattern of the chains. The breakaway
cable must pull the plunger from the switch before the
entire tongue weight of the chipper comes to rest in the
chain cradle.
When the breakaway switch is activated full voltage
from the chipper battery is applied to the brakes. The
chipper will come to a complete stop, but will not lock
up the wheels.
Pin
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