Rtv Silicone Sealant; Spline Drive Lubricant; Camshaft Break-In Lubricant; Dielectric Grease - Kohler CH18-745 Service Manual

Kohler Engine Parts Call K&T 606-678-9623 or 606-561-4983

RTV Silicone Sealant

RTV silicone sealant is used as a gasket between the
crankcase and closure plate.
Only oxime-based, oil resistant RTV sealants, such as
those listed below, are approved for use. Loctite
5900 and 5910 are recommended for best sealing
characteristics.
®
Loctite Ultra Blue 587
Loctite ® Ultra Copper
Loctite ® Ultra Black 598
®
Loctite 5900 (Heavy Body)
Loctite ® 5910
NOTE: Always use fresh sealant. Using outdated
sealant can result in leakage.
Loctite ® 5900 is available in a 4 oz aerosol dispenser
with replacement tips under Kohler Part No.
25 597 07-S. See Figure 2-5.
Figure 2-5. Loctite ® 5900 Aerosol Dispenser.

Camshaft Break-in Lubricant

Camshaft lubricant, Kohler Part No. 25 357 14-S
(Valspar ZZ613), should be used whenever a new
camshaft and lifters are installed for proper break-in
upon initial startup. Lubricant is included with each
replacement camshaft and lifter, or may also be
obtained separately in a 1/8 oz handy dispensing tube
by the part number listed. See Figure 2-6.
® Nos.
Figure 2-6. Camshaft Break-in Lubricant.

Spline Drive Lubricant

Special spline drive crankshaft lubricant Kohler Part No.
25 357 12-S is available in a 2.8 oz tube for use on all
spline drive applications. This lubricant provides proper
protection against wear-related damage. See Figure
2-7.
Figure 2-7. Crankshaft Spline Drive Lubricant.

Dielectric Grease

Dielectric grease is applied to the outside of the
terminal connections on the SMART-SPARK
modules to prevent formation of a moisture path and
arcing between the terminals. The chart below lists the
approved dielectric greases.
G.E./Novaguard
www.mymowerparts.com
Dielectric Grease
Vendor No./
Description
Vendor
G661
Lubri-Sel
Fel-Pro
Section 2
Special Tools
2
ignition
™
Kohler
Part No.
25 357 11-S
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