Service Manual

Workman HD
Page 5 -- 1 2
Kohler Gasoline Engine
2. Check pilot bearing (item 23) for smooth rolling and
noise. Check (sealed) bearing for grease leakage. Re-
place bearing if necessary. Remove pilot bearing from
flywheelbybackingoutsocketheadscrew(item22)that
attaches flywheel to crankshaft. Do not reuse bearing if
it has been removed.
Engine Installation (Fig. 5)
1. Install flywheel (item 20) and/or pilot bearing (item
23)ifremoved.Torquesocketheadscrew(item22)from
35 to 40 ft--lb (48 to 55 N--m) to secure flywheel to en-
gine crankshaft.
2. If pressure plate and clutch disc were removed from
engine, see Clutch Service in the Service and Repairs
sectionof Chapter 6 -- Drive Trainforassemblyprocess.
3. If hydraulic pump drive pulley (item 3) was removed
from engine, apply antiseize lubricant on engine stub
shaft before installing pulley.
4. Place two (2) dowel pins (item 48) in bell housing.
5. Use lift or hoist to install engine to chassis. One per-
son should operate hoist and a second person should
helpguideengineto machine.Alignsplinesontransaxle
input shaft and clutch while moving engine to bell hous-
ing on transaxle.
6. Secure bell housing to clutch adapter on engine with
six (6) cap screws (item 19) and two (2) harness brack-
ets (item 46).
7. Secure engine to engine mount with four (4) flange
nuts (item 34) and flange head screws (item 36).
8. Connect choke c able (item 33) to choke lever on en-
gine (Fig. 7).
9. Connect accelerator cable ball joint (item 11) to
throttle lever on engine (Fig. 7). Secure cable to throttle
bracket with jam nuts.
10.Connect wire harness connectors to engine compo-
nents.
11.Connect fuel hose to fuel pump on engine and se-
cure with hose clamp.
12.Secure positive cable (item 37) and fusible link har-
ness (item 41) to starter solenoid s tud on engine.
13.Install the muffler and exhaust manifold (see Ex-
haust System Installation in this section).
14.Install a new engine oil filter. Fill engine with the cor-
rect oil.
15.Install hydraulic pump drive belt to pump and engine
pulleys. Adjust belt tension (see Operator’s Manual).
16.Connect positive (+) and then negative (--) battery
cables to the battery.
17.Check operation of accelerator and choke cables.
18.Lower bed or install bed or attachment(s).