Komatsu ecot3 PC300LC-8 Shop Manual page 988

SEN02641-02
Special tools
Part number
2 793-498-1210 Lifter (Suction cup)
X
3 20Y-54-13180 Stopper rubber
Removal
a Remove the window glass to be replaced
according to the following procedure.
1. Using seal cutter [1], cut the adhesive between
broken window glass (7) and operator's cab
(metal sheet)(8).
a If a seal cutter is not available, widening
the cut with a screwdriver, cut the adhe-
sive and both-sided adhesive tape with
knife [4].
k
If the window glass is broken finely, be
careful not to harm yourself.
2. Remove the window glass.
6
Part name
t 2
t 2
50 Disassembly and assembly
Installation
1. Using a knife and scraper [5], remove the
remaining adhesive and dam rubber from the
metal sheets (glass sticking surfaces) of the
operator's cab.
a Remove the adhesive and dam rubber to
a degree that they will not affect adhesion
of the new adhesive. Take care not to
scratch the painted surfaces.
(If the painted surfaces are scratched,
adhesion will be lowered.)
2. Remove oil, dust, and dirt, etc. form the stick-
ing surfaces of cab (8) and window glass (9)
with white gasoline.
a If the sticking surfaces are not cleaned
well, the glass may not be stuck perfectly.
a Clean the all black part on the back side of
the window glass.
a After cleaning the sticking surfaces, leave
them for at lease 5 minutes to dry.
3. Apply primer (10).
a The using limit of primer is 4 months after
the date of manufacture. Do not use the
primer after this limit.
a Use the primer within 2 hours after un-
packing it.
a Even if the primer is packed again just
after it is unpacked, use it within 24 hours
after it is unpacked for the first time.
(Discard the primer 24 hours after it is
unpacked.)
1) Stir the primers for both of paint and glass
sufficiently before using them.
a If the primer has been stored in a refrig-
erator, leave it at the room temperature
for at least half a day before stirring it.
(If the primer is unpacked just after
taken out of the refrigerator, water will
be condensed. Accordingly, leave the
primer at the room temperature for a
sufficient time.)
2) When reusing primer brush (11), wash it in
white gasoline.
a After washing the brush, check it
again for dirt and foreign matter.
a Prepare respective brushes for the
paint primer and glass primer.
PC300, 350-8