STANDARD
TIGHTENING
TORQUE
Sealing surface
3.TlGHTENlNG Use these
TORQUE torques
Thread diameter of nut part (mm)
for
FOR
nut part
NUTS
OF FLARED
of flared.
Width across flats of nut part (mm)
r
Tightening
Nm
km
14
19
2.5kO.5
24.5 k4.9
18.
24
522
49*
19.6
22
27
822
78.5 f
19.6
24
32
1423
137.3k29.4
30
36
1823
176.5229.4
33
41
20*5
196.1
36
46
2525
245.2+49
42
55
30&5
294.2*49
COATING The recommended Nomenclature
Adhesives
Gasket
torque
coating
materials
&49
MATERIALS
prescribed
in Komatsu
Shop
Manuals
are listed
below.
Applications
Komatsu code LT-1 A
Used to apply
LT-18
Used to apply resin, rubber, metallic and non-metallic parts when a fast, strong seal is needed.
LT-2�
Preventing
LT-3
Provides an airtight, electrically Used for aluminum surfaces.
LG-1
Used with
LG-3
Heat-resistant and exhaust
LG-4
Used by itself on mounting mission cases. (Thickness
sealant
LG-5
rubber
bolts,
pads, rubber
gaskets,
nuts and plugs from
gaskets
gasket piping.
loosening
insulating
and packings
and cork plugs.
oil.
seal.
to increase
for precombustion
and leaking
sealing
effect.
chambers
surfaces on the final drive and transafter tightening: 0.07 - 0.08 mm)
Used by itself to seal grease fittings, tapered screw fittings and tapered screw fittings in hydraulic circuits of less than 50 mm in diameter.
Antif
riction
pound including
com-
(Lubricant molybde-
LM-P
Applied
to bearings
prevent
sticking,
and taper
burning
shafts
to facilitate
press-fitting
and to
or rusting.
num disulfide) Grease (Lithium Vaseline
grease)
G2-LI -
Applied to bearings, sliding parts and oil seals for lubrication, prevention and facilitation of assembling work. Used for protecting
lLT-2 is also called
LOCTITE
battery
in the shop
electrode
terminals
from
rust
corrosion.
manuals.
00-9