Honda TRX680FA Service Manual page 188

COOLING SYSTEM
Remove the oil seal.
Apply engine oil to a new oil seal lips. Install the oil
seal with the flat side facing out until it is flush with
the pump body edge.
Press a new mechanical seal in until it is seated.
TOOL:
Mechanical seal driver
attachment
Mechanical seal installer
07945-4150400 or
07965-415000A
(U.S.A. only)
Do not get oil on Install the thrust washer onto the pump shaft.
the pump shaft Apply molybdenum disulfide solution to the sliding
threads, surface of the pump shaft and insert the shaft into
the pump body.
Install the washer and impeller assembly, and
tighten the impeller.
TORQUE: 12 N-m (1.2 kgf-m, 9 Ibf-ft)
IMPELLER WASHER
WASHER
INSTALLATION
Coat a new O-ring with engine oil and install it on
the stepped section of the pump body.
Install the water pump while turning the impeller
engage the pump shafts.
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