Erskine Attachments 18HDRS, Operator'S Manual

Page: 15 / 36

15
Chain Lift Hook
Breaker Bar Cutout
5
/
8
”-11 X 6” Bolt Connection
Rock Saw Gearbox Oil Replacement (continued)
11. Attach the chain hook of the 1 ton hoist to the
front lift point and lift slightly so the cutter head
rotates freely.
12. Insert the 30mm (1
3
/
16
”) socket through the
circular cutout and over the 20mm lug nut.
13. Lower the hoist so that the cutter head is firmly
on the ground.
14. Attach the breaker bar to the socket and loosen
the M20 hex flange nut to the point that it can be
turned by hand. (Be sure to leave it on the stud
while the others are loosened.)
15. Lift the saw slightly so that the cutter head can
be rotated by hand and rotate until the next M20
hex flange nut aligns with the circular cutout.
16. Lower the hoist so that the cutter head is firmly
on the ground.
17. Loosen the M20 hex flange nut and repeat the
process until all eight lug nuts are loose.
18. Lift the saw slightly so the cutter head can be
rotated freely.
Cutter head is extremely heavy
and could cause injury or death if not secured
properly while removing, reinstalling or
transporting.
19. Remove all eight M20 hex flange nuts from the
wheel studs.
20. Lower the saw so the weight of the cutter head is
completely supported by the ground and move
around to the left hand side of the saw.
21. Remove the uppermost
5
/
8
” x 1¼” GR8 motor
mount bolt on each side of the motor.
22. Install the two
5
/
8
”-11 UNC x 6” hex bolts into the
two vacant motor mount bolt holes.
23. Remove the remaining eight
5
/
8
” x 1¼” GR8
motor mount bolts.
24. Now the motor can be pulled out away from the
cutter head and saw while supported by the two
5
/
8
” X 6” bolts.
_ _ _ _ ROUTINE MAINTENANCE