Threadlocking Compound; Rtv Gasket Sealant; Expendable Supplies; Grease - Polaris 1999 Sportsman 400 Service Manual

10
Engine oils an:
1110 St
commonly mineral (petro-
leum) based; however synthetic and semi-synthetic
types are used more frequently. When selecting en-
gine oil, follow the manufacturer's recommenda-
tion for type, classifica tion and viscosity.
Grease
The National Lubricating Grease Institute
(N LG I) grades greases . Grea se s arc grad ed by num-
beraccording to the consistency of
the
grease; these
range from No. 000 to No. 6, with No. 6 being the
mo st solid. Typica l multipurpose grease is NLG I
No.2. For specifi c applicatio ns, eq uipme nt manu-
facturers may require grease with an additive such
as mo lybd enum disulfide.
T H R EA Il LOC KI :' o IG C O M POU:'oIIl
A thread loc king co mpo und sho uld be used to
help secure many of the fasteners used
0 11
the vehi-
cle . A threadl ock co mpo und will lock fasteners
against vibration loosening and seal against leaks.
Th e followin g thread lockin g compounds are rec-
ommended for many threadlock requirements de-
scribed in this manual.
\. T hrcelson d TB1342 (b lue): low -stren gth , fre-
quent repair.
2. Loctit e No. 242 (b lue): low- stren gth , frequent
repair.
3. ThreeBond T B13 60 (green) : mediu m-str ength,
high temp erat ure.
4 . Threels ond No . 1333 B (red) : medi um-strength,
bearing and stud lock .
5. Th ree Bond TB1303 (orange) : high -strength , in-
frequent repair.
6. Locti te No. 27 1 (red): high- stren gth,
infrequent
repair.
There are other quality thr cadlock brands on the
market.
RTV GASKET SEA LANT
Room temperature vulcanizing (RTV) sealant is
used
on some
preformed
gaskets and
to
seal
some
components. RTV is a silicone gel
supplied in
tubes
and is available at motorcycle and automotive sup-
plies stores and major hardware stores.
Moisture in the air causes the RTV to cure. Al-
ways place the cap on the tube as soon as possible
C HA PTE R ONE
whe n using RTV . RT V has a she lf life of approxi-
mately
one yearand will
not
cureproperly when the
she lf life ha s expired. Check the expirat ion date on
the RTV tube prior to purchasing a new tube and on
using the sealant. Keep partially used tubes tightly
scaled and discard
them
after
the
expiration date.
A(lIJlying RT V Sea la nt
Clca n all o ld gask et residu e from all mating sur-
face s. Remov e all RTV gas ket material fro m blind
threaded holes; it can cause a hydraulic lock and af-
fect bolt torque. leading to the bo ll not be ing tight-
ened to the correct torque specifi cation. Finally,
spray the mating surfaces with an aeroso l parts
cleaner and wipe with a lint-free cloth.
Apply RTV sealant in
a
continuous bead 2-3
ITIm
(0 .08-0 .12 in.) thick . Circle all mounting holes un-
less o therwi se spec ified. Do not all ow an y sea lan t to
enter these holes.
Assemble
and
tighten
the fasten-
ers
to
the specified torque within 10 minutes after
application.
EX P EN Il A BLE SU PP LIES
Certa in expendable supplies are required during
maintenance and repair work . These include grease,
oil. and gasket cement, wiping rags and cleaning
solvent.
Ask the
dealership for the special
locking
compounds. silicone lubricants and other products,
which make vehicle maintenance simpler and eas-
ier. Cleaning solvent or kerosene is available at
some service stat ions, paint or hardware stores.
Be sure to
follow
the manufacturer's instructions
and warn ings listed on the label
of the
product being
used ,
Some cleaning supplies arc very caustic and
are dangerous ifn ot used properly.