Removal And Installation Of Engine Front Seal - Komatsu Galeo PC800-8 Shop Manual

SEN01054-01
Removal and installation of
engine front seal
Special tools
Part number
3 795-931-1100 Seal puller
A 795-521-1110 Push tool
6
01050-31640 Bolt
Removal
1. Remove the fan and fan shroud assembly. For
details, see "Removal and installation of fan
motor assembly".
2. Remove pulley and damper assembly (1).
a Since there are stamp on damper (1),
make a match mark (M) on it and the front
cover.
3. Remove front seal (2).
26
Part name
t 1
t 1
t 3
Removal with tool A3
1) Drill several holes about 3 mm in diameter into
1
front seal (2).
2) Set tool A3 to the drilled holed. (Tip: Drill type)
3) Remove the front seal with impacts of slide
hammer (SH).
a Remove all the chips.
Tool A3
q
Installation
1. Install front seal (2).
a Before installing the seal, check that the
end corners and lip sliding surfaces of the
crankshaft are free from flaw, burr, and
rust of the housing.
a When installing the seal, do not apply oil
or grease to the shaft and seal lip. Wipe
off the oil from the shaft.
a Never remove inside plastic cylinder (6) of
the replacement seal before installing the
seal.
50 Disassembly and assembly
PC800, 850-8