MBW 5800 Series - Manual (Page 11)

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S
ERVICE
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.
Pressure 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 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
Service Tools
Engine Removal
Refer to ROLLCAGE ASSEMBLY, page 16.
1. Remove 2 hex head flange bolts (#10) securing belt
guard to roll cage & engine deck and remove belt
guard.
1. Remove 4 hex head screws (#11), lock washers
(#12) and flat washers (#13). Lift roll cage & handle
assembly off engine deck.
Refer to Engine Assembly, page 14.
2. Remove 4 engine mounting hex head screws (#10),
lock washers (#11), washers (#12) and engine
mounting bars (#4).
3. Remove belt (#3), and lift engine off of engine deck
(#8).
Exciter Removal
1. Remove belt guard as described above.
2. Loosen, do not remove, 4 engine mounting screws
(#10) and slide engine towards front of machine and
remove belt.
Refer to Engine Assembly, page 14.
3. Remove 5 hex head screws (#15) and lock washer
(#16) from base plate and remove engine deck & roll
cage assembly. (See figure 4)
Refer to Exciter Assembly, page 12.
4. Remove 4 exciter bolts #(12), lock washers (#27),
washers (#28) and nuts (#13). If unit has exciter
shims (#3) make note of location to assure proper
placement during reassembling.
5. Clean exciter and drain oil as described in Changing
Exciter Oil section of this manual before proceeding
with disassembly.
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
Part No. Description
17320 Ground Pounder® Exciter Oil
016129 Rubber Test Mat
12100 Decal Set
20190 Service Kit