Chapter 6 - Drive Train - Toro Workman 3000 Series Service Manual

11. Attach hoist or block and tackle to engine for sup-
port.
12. Remove four (4) locknuts (Item 3), flat washers
(Item 4), capscrews (Item 5) and lockwashers (Item 6)
securing engine to frame.
13. Remove capscrews securing clutch bell housing to
engine.
14. Use a hoist or block and tackle to remove engine
from chassis. One person should operate hoist or block
and tackle and the other person should help guide en-
gine out of chassis. Move engine forward before lifting
to disengage transaxle input shaft from clutch.
15. If necessary, remove hydraulic pump drive pulley
from stub shaft on flywheel side of engine. Locate and
retrieve woodruff key.
16. If pressure plate and clutch disc removal is neces-
sary, see Clutch Disassembly and Inspection in Chapter
6 – Drive Train.
Flywheel and Pilot Bearing Inspection
1. Inspect flywheel clutch disk surface for stepped wear,
streaking or seizure and replace if necessary. Check fly-
wheel runout and replace if runout exceeds the limit.
Flywheel runout limit 0.13 mm (.005 in.)
2. Check pilot bearing for smooth rolling and noise.
Check (sealed) bearing for grease leakage. Replace
bearing if necessary. Remove pilot bearing by backing
out socket head capscrew that attaches flywheel to
crankshaft (Fig. 8). Do not reuse bearing if removed.
Installing the Engine
1. To install the engine, perform steps Removing the En-
gine in reverse order. Scrape RTV sealant off engine /
bell housing surface. Apply new sealant in same area.
2. If pressure plate and clutch disc were removed, see
Installing Clutch Disc and Cover in the Repairs section
of Chapter 6 Drive Train.
3. If hydraulic pump drive pulley was removed, apply an-
tiseize lubricant on shaft surface before installing pulley.
4. Install a new engine oil filter. Fill engine with the cor-
rect oil.
5. Adjust accelerator and choke.
Workman 3100
35 – 41 ft–lb
(47 – 56 Nm)
Page 5 – 7
Pilot bearing
Flywheel
Figure 8
Air Cooled Gas Engine (Rev. G)