Brent 1082/882 — Maintenance
4-16
G2
G1
G3
PTO Shaft and Clutch (continued)
Chains (Figs. G1 - G3)
NOTE: The chain is intended to prevent the shield
from rotating against non-moving parts and there-
by preventing shield damage. A properly installed
chain will increase the service life of the shield.
1. Chains must be fi tted so as to allow suffi cient
articulation of the shaft in all working positions.
Care must be taken to be sure that chain does
not become entangled with drawbar hitch or
other restrictions during operation or transport
of machine.
2. The PTO drive shaft must not be suspended
from the chain.
Shear Bolt and Friction Clutches (Figs. H1 - H2)
1. Shear bolt clutches:
When the torque is exceeded, power fl ow is in-
terrupted due to the bolt shearing. The torque is
re-established by replacing the broken shear
bolt. Use only the bolt specifi ed in the Opera-
tor’s Manual for replacement. Remove locking
screw.
Friction clutches:
When overload occurs, the torque is limited
and transmitted constantly during the period
of slipping. Short-duration torque peaks are
limited.
Prior to fi rst utilization and after long periods
out of use, check working of disk clutch.
a. Tighten nuts until friction disks are re-
leased. Rotate clutch fully.
b. Turn nuts fully back. Now the clutch is
ready for use. Fig. H3 shown.
• Avoid extended and frequent slippage of over-
load clutches.
H1
H2
(February 2013)
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