Komatsu Galeo PC138US-8 Shop Manual page 798

SEN02710-00
3. Removal of the rear oil seal
1) Screw the tip of tool A4 into the metal ring
of seal (5) and pull it out with the impact of
a slide hammer [1].
a For the ease of pulling out the seal,
slightly hammer it in to unfasten it
from the housing before pulling it out.
a Do not use a drill as chips may enter
the engine.
(Photo shows work on a single unit of engine, but
the procedures are the same.)
10
50 Disassembly and assembly
Installation
1. Rear oil seal mounting procedure
Use tool A3 (outside diameter of 120 mm) to
install rear oil seal to flywheel housing.
a Fill about 3 cc of grease to between the
rear oil seal lips.
2
Front oil seal: grease (G2 – LI)
2. For the following installation work, carry out the
installation in the reverse order of removal.
[*1]
3
Coupling mounting bolt:
98 – 122.6 Nm (10 – 12.5 Kgm)
[*2]
Tighten the flywheel mounting bolts according
q
to the following procedure:
1) Apply engine oil EO#30 to the bolt threads.
2
Mounting bolt threads:
2) Tighten the bolts in the order of 1 to 6 as
shown in the diagram (CPP14824).
3) Tighten the bolts each in two actions by
applying torque as specified in the order of
item 2) above.
3
Mounting bolt:
procedure target
1st time 88.2 {9.0}
2nd time 191.3 {19.5} 186.4 – 196.2 {19.0 – 20.0}
Engine oil (EO30)
Unit: Nm{kgm}
range
58.7 – 117.7 {6.0 – 12.0}
PC138US, USLC-8