Komatsu Galeo PC800-8 Shop Manual page 940

SEN01054-01
4) Tighten the 3 bolts evenly to press fit rear
seal (2) until the end of tool A4 (for press
fitting the seal) reaches the end of crank-
shaft (4).
a Tighten tool A4 (for press fitting the
seal) first until it reaches the bolt (45
mm) and then tighten the bolt (25
mm).
a When press fitting the seal, take care
not to damage the lip on the PTO side
with the tool set etc.
a After press fitting the seal, remove the
red sealant layer from its periphery.
2. Procedure for installing sleeved seal
a When installing the rear seal, do not apply
oil or grease to the shaft and sleeve inside
cylinder surface (C).
1) Set sleeve and rear seal assembly (6) to
tool A5 (for press fitting the sleeved seal).
2
Sleeve inside cylinder surface (C):
30
Gasket sealant (LG-7)
50 Disassembly and assembly
2) Set sleeve (5) of the rear seal to the end of
crankshaft (4) and tighten the 3 bolts
evenly to press fit sleeve and rear seal
assembly (6) until the end of tool A5
reaches the end of crankshaft (4).
a Tighten tool A5 (for press fitting the
sleeved seal) first until it reaches the
bolt (45 mm) and then tighten the bolt
(25 mm).
3) Remove tool A5 (for press fitting the
sleeved seal) and install tool A4 (for press
fitting the seal).
4) Tighten the 3 bolts evenly to press fit
sleeve and rear seal assembly (6) until the
end of tool A4 (for press fitting the seal)
reaches the end of crankshaft (4).
a Tighten tool A4 (for press fitting the
seal) first until it reaches the bolt (45
mm) and then tighten the bolt (25
mm).
a After press fitting the seal, remove the
red sealant layer from its periphery.
a Rear seal driving depth: 13.2 ± 0.2
mm from end of crankshaft
a When installing, set the dowel pin of
the crankshaft to the dowel hole of
the flywheel.
PC800, 850-8