16
Rock Saw Gearbox Oil Replacement (continued)
25. Use an approved oil drain pan and place it below
the gearbox.
26. Remove the drain plug located on the bottom of
the gearbox with the 8mm (
5
/
16
”) Allen wrench.
27. Remove the drain plug located on the top of the
gearbox with the 8mm (
5
/
16
”) Allen wrench.
28. Allow the oil to drain completely from the
gearbox.
29. Reinstall the drain plug into the port on the
bottom side of the gearbox.
IMPORTANT:
Make sure the metal washer seal
gets reinstalled between the drain plug and the
gearbox.
30. Add 21 ounces of 80/90 gear lube or equivalent
to the top port on the gearbox.
31. Reinstall the drain plug into the port on the
bottom side of the gearbox.
32. Next slide the motor up to the saw, being sure to
align the studs with the cutter head mount holes.
33. Once aligned install at least one of the
5
/
8
” x 1¼”
GR8 motor mount bolts to hold the motor in
position.
34. Apply the high strength thread locker (Red) to the
remaining nine
5
/
8
” x 1¼” GR8 bolts.
35. Install the
5
/
8
” x 1¼” GR8 bolts into the seven
vacant motor mount bolt holes.
36. Remove the one
5
/
8
” x 1¼” GR8 bolt without
thread locker and the two
5
/
8
” X 6” bolts.
37. Apply thread locker to the
5
/
8
” x 1¼” GR8 bolt that
was just removed.
38. Install the three
5
/
8
” x 1¼” GR8 bolts into the final
three vacant motor mount bolt holes.
39. Torque all ten
5
/
8
” x 1¼” GR8 bolts to 159 ft-lbf.
ROUTINE MAINTENANCE
Fill
Drain
Summary of Contents for 18HDRS
Page 19: ...19 PARTS INFORMATION ...
Page 21: ...21 PARTS INFORMATION ...
Page 23: ...23 PARTS INFORMATION ...
Page 30: ...30 GENERAL SPECIFICATIONS ...
Page 31: ...31 BOLT TORQUE CHART ___________________ ...
Page 36: ...36 P N 318904 Date Printed 9 18 2018 Erskine Attachments LLC Printed in U S A ...