Toro Workman 3000 Series Service Manual page 130

2. Remove plug on left side of cylinder block and insert
a 8 mm (.32 in.) rod to lock counterbalance shaft. Re­
move flange bolt securing oil pump drive gear. Remove
oil pump drive gear.
3. Remove rear cover. Use special tool to drive out
counterbalance shaft front bearing from cylinder block.
4. Use special tool to drive out counterbalance shaft
rear bearing from cylinder block.
Front Case, Counterbalance Shaft
and Oil Pan Inspection
1. Inspect counterbalance shaft oil holes for clogging
and clean if necessary. Check journal for seizure, dam ­
age and contact with bearing. Replace bearings and/or
counterbalance shaft if damaged.
Liquid Cooled Gas Engine
Page 3 – 92
Figure 184
Figure 185
Figure 186
Figure 187
Workman 3000/4000 Series
Rod