12
BE-VBM220 USER MANUAL
TROUBLESHOOTING
CAUTION
Do not try to clean rear discharge area when mower is running. Bodily harm may occur!
PROBLEM
SOLUTION
Belt slipping
Unplug and clean mower deck.
Remove belt guard shields and clean sheaves.
Replace belt.
Patches of uncut grass
Mow at full throttle (540 PTO rpm), check PTO speed and tractor engine.
Shift transmission to a lower gear.
Tighten belts.
Replace missing knives.
Excessive vibration
Replace knives.
Replace drive belt.
Replace pulleys or align.
Remove belt guard shields & clean debris from belt area & sheaves.
Gearbox noisy
Check lubricant level.
Knives scalping grass
Raise cutting height by adjusting roller.
Change mowing pattern.
Reduce speed turns.
Uneven cut
Shift to a lower gear.
Level mower.
Replace missing knives.
Tractor loaded down by
mower
Mow at full throttle (540 PTO rpm).
Shift to a lower gear.
Clean mower.
BOLT DIAMETER
BOLT TORQUE
SAE 2
SAE 5
SAE 8
N.M.
LB-FT
N.M.
LB-FT
N.M.
LB-FT
1/4”
8
6
12
9
17
12
5/16”
13
10
25
19
36
27
3/8”
27
20
45
33
63
45
7/16”
41
30
72
53
100
75
1/2”
61
45
110
80
155
115
9/16”
95
60
155
115
200
165
5/8”
128
95
215
160
305
220
3/4”
225
165
390
290
540
400
7/8”
230
170
570
420
880
650
APPENDIX
Bolt Torque
The tables shown below give correct torque values for various bolts and cap screws. Tighten all bolts to the
torques specified unless otherwise noted. Check tightness of bolts periodically, using bolt torque chart as a
guide. Replace hardware with the same strength bolt.
ENGLISH TORQUE SPECIFICATIONS