Kohler Command PRO ECV630, Service Manual

Page: 141 / 152

10.17
Section 10
Reassembly
10
Install Grass Screen
Metal Grass Screen
1. Verify the locating tabs on the back of the fan are
inserted into the locating holes on the fl ywheel.
2. To assist assembly, fi nd four intake manifold
studs with M6 thread at least 100 mm in length to
be used as guide pins. Insert the intake manifold
studs through the cooling fan mounting holes
and thread them 4 or 5 turns into the
fl ywheel.
3. Install a spring washer on each stud with the
concave side down toward the cooling fan. See
Figure 10-61.
5. Install the support ring on the studs, so it is
resting on the spacers. Then install the metal
screen on top of the support ring.
6. Install one of the plain washers on each of the hex
cap screws. Apply Loctite ® 242 ® to the hex cap
screw threads.
7. Carefully remove two of the studs and replace
with two of the hex cap screws. Torque the
screws to
9.9 N·m (88 in. lb.) . See Figure 10-63.
Repeat the procedure for the other two studs and
hex cap screws.
Figure 10-62. Spacer Shoulder Resting on Spring
Washer.
Figure 10-61. Spring Washer with Concave Side
Down.
4. Install a spacer on each stud with the stepped end
down. The smaller diameter should extend
through the spring washer and fan, so the tip is
resting on the
fl ywheel, and the shoulder is
resting on the spring washer. See Figure 10-62.
Figure 10-64. Torque Plastic Grass Screen Hex
Screws.
Figure 10-63. Torque Metal Grass Screen.
Plastic Grass Screen
1. Place the plastic grass screen on the fan and
secure with four hex screws. Torque the four
screws to
4.0 N·m (35 in. lb.) . See Figures 10-64
and 10-65.
Spring Washer
Spacer
Metal
Grass
Screen
Hex Bolt
Flywheel
Fan