H
I
R
OLLER
- B
ELT
C
ONVEYORS
7. M
AINTENANCE
H
I
R
OLLER
, M
INI
R
OLLER
, L
O
R
OLLER
& H
I
L
IFE
7.7. H
EAD
& D
RIVE
P
ULLEY
L
AGGING
P115506 R3
115
2. Retainers need to be flattened if loosened from removal of lagging plate. Use
a hammer or punch.
3. Install new retainer bolts and locknuts:
•Drill new 1/4" pilot holes and drill to +3/8" hole
for a 3/8" retainer bolt, OR drill a new hole offset
from the old hole.
•Drill out the rubber (7/8" or 1" hole saw or
equivalent piloted on the bolt hole) on the lag-
ging plate; a wood chisel could also be used for
this.
•Clean out rubber from the hole cut with the
hole saw for the bolt head (see ).