MBM 6020001, Operator'S Safety And Service Manual, Page: 11 / 31

- 6 -
SERVICE
Assembly and disassembly should be performed by a
service technician who has been factory trained on MBW
equipment. The unit should be clean and free of debris.
Washing before disassembly is recommended.
• Prior to assembly, wash all parts in a suitable cleaner or
solvent.
• Check moving parts for wear and failure. Refer to the
Replacement Parts section in this manual for tolerance
and replacement cycles.
• All shafts and housings should be oiled prior to pressing
bearings. Also, ensure that the bearings are pressed
square and are seated properly.
• All bearings should be replaced when rebuilding any
exciter or gearbox.
• All gaskets and seals should be replaced after any
disassembly.
Torque Chart
Motor Removal
Refer to Motor Assembly, page 24.
1. Remove battery.
2. Remove bottom cover (#5,page 20) from
ScreeDemon to access wiring compartment
3. Identify and detach motor wiring (terminals 1 and 2)
by inserting a small screwdriver in terminal strip hole
above wire to be disconnected, and levering
screwdriver to release wire clamp.
4. Loosen two pinch bolts (#8) securing motor adapter
(#4) to exciter assembly (#5) and remove motor.
Take care to not lose woodruff key (#1).
5. Pull hose (#3) off of motor adapter (#4) and pull wiring
through.
6. Motor (#2) can be removed from adapter (#4) by
removing the nuts (#6).
Exciter Disassembly
Refer to Exciter Assembly, page 16.
1. Remove battery.
2. Loosen two pinch bolts securing motor adapter to
exciter assembly, and pull motor assembly off. Take
care not to lose woodruff key.
3. With screed bar removed, flip machine upside down
and remove three bolts securing shockmounts.
Exciter assembly is now disconnected from the
machine.
4. Remove the plug (#2) from the flange.
5. Use an 1/8” allen wrench to loosen the set screw
(#18) inside the exciter housing, directly below the
hole.
6. Stick a rod of screwdriver straight down through both
holes to prevent rotation of exciter.
7. Remove the three hex head cap screws (#19) and
sealing washers (#5) from the mounting flange.
8. Rotate the drive shaft (#13) counter clockwise with a
screwdriver in the key way to remove the drive shaft
and remove cover (#12).
9. Unthread the three shockmounts (#7) from the exciter
housing (#4). Unthread the center shockmount from
the exciter (#14) using a rod to prevent the rotation of
the exciter as in step 8.
10. Loosen the three socket head cap screws (#20)
securing the cover (#8). Back the screws off about a
1/4”
SIZE GRADE 2 GRADE 5 GRADE 8
1/4-20 49 in
•
lbs 76 in
•
lbs 9 ft
•
lbs
1/4-28 56 in
•
lbs 87 in
•
lbs 10 ft
•
lbs
5/16-18 8 ft
•
lbs 13 ft
•
lbs 18 ft
•
lbs
5/16-24 9 ft
•
lbs 14 ft
•
lbs 20 ft
•
lbs
3/8-16 15 ft
•
lbs 23 ft
•
lbs 33 ft
•
lbs
3/8-24 17 ft
•
lbs 26 ft
•
lbs 37 ft
•
lbs
7/16-14 24 ft
•
lbs 37 ft
•
lbs 52 ft
•
lbs
7/16-20 27 ft
•
lbs 41 ft
•
lbs 58 ft
•
lbs
1/2-13 37 ft
•
lbs 57 ft
•
lbs 80 ft
•
lbs
1/2-20 41 ft
•
lbs 64 ft
•
lbs 90 ft
•
lbs
9/16-12 53 ft
•
lbs 82 ft
•
lbs 115 ft
•
lbs
5/8-11 73 ft
•
lbs 112 ft
•
lbs 159 ft
•
lbs
5/8-18 83 ft
•
lbs 112 ft
•
lbs 180 ft
•
lbs
3/4-16 144 ft
•
lbs 200 ft
•
lbs 315 ft
•
lbs
1-8 188 ft
•
lbs 483 ft
•
lbs 682 ft
•
lbs
1-14 210 ft
•
lbs 541 ft
•
lbs 764 ft
•
lbs
1-1/2-6 652 ft
•
lbs 1462 ft
•
lbs 2371 ft
•
lbs
M 6 3 ft
•
lbs 4 ft
•
lbs 7 ft
•
lbs
M 8 6 ft
•
lbs 10 ft
•
lbs 18 ft
•
lbs
M 10 10 ft
•
lbs 20 ft
•
lbs 30 ft
•
lbs
CONVERSIONS
in
•
lbs x 0.083 = ft
•
lbs
ft
•
lbs x 12 = in
•
lbs
ft
•
lbs x 0.1383 = kg
•
m
ft
•
lbs x 1.3558 = N
•
m