Operating Instructions

42
LIST OF SEALANTS AND THREAD LOCKING COMPOUNDS USED FOR
ENGINE MAINTENANCE
SR.
NO
DESCRIPTION COLOR USAGE AND APPLICATION
1
Molykotte
Pulver
Black
Apply it to smooth metal surface to prevent
seizing For example: apply it on the outer
surface of cylinder sleeve.
2
Molykotte G.u.
plus
Dark
Grey
Take the lubricating function before the
lubricating oil pressure is established, For
example: apply on inlet valve rod.
3 Loctite242 Blue
Apply it on the thread surface for xing,
avoid the looseness caused by shake, with
medium strength, For example, apply on the
thread of main oil passage pressure limiting
valve.
4 Loctite262 Red
Apply it on the thread outer surface for
locking, sealing and prevention of looseness
due to vibration, in high strength. For
example: Cylinder head bolt threaded part
5 Loctite275 Green
Apply on the surfaces on pipe and junction
for xing; For example: apply on the surface
of water outlet pipe and heating water inlet pipe.
6 Loctite510
Red
(orange)
Apply it on the bright metal surface to play
a sealing role For example: apply it to the
faying surface between cylinder block and
crankcase
7 Loctite277 Red
Apply on cavity or passage for sealing
between element and hole. For example:
Bowl shaped plug matching cylindrical
surface
8 Loctite648 Green
Apply it on the bright metal surface to play
xing role For example: Tension pulley
bearing bore and shaft outer surface.
Table 5.4