R1040 MAINTENANCE MANUAL
Page 45 of 48
the engine using decompressor lever, till it fires) and let it run for 30 seconds. During
this time the diesel in fuel pump gallery and high pressure pipes will be displaced by
Preservative Oil mixture. Stop the engine.
Engine speed during above running -
•
In case of variable speed engine - 800 to 1000 rpm
•
In case of fixed speed engine - Rated speed at ‘No’ load. (Genset, Pumpset etc.)
f)
Close the air inlet manifold (for the air cleaner inlet) and crank the engine by starter for 5 to
10 seconds. (In case of purely hand start engine, it should be hand cranked using the de-
compressor lever). This will ensure coating of Preservative oil on the combustion
chamber surfaces.
g
)
Drain preservative oil from oil sump, reinstall drain plugs and reconnect fuel filter into
the fuel pipe line.
h
)
Treat all unpainted external ferrous metal parts with two coats of suitable rust
preventer as recommended in 8.1, allowing sufficient time for the first coat to
thoroughly dry before applying second coat.
i)
All vents i.e. engine inlet pipe, exhaust pipe, air cleaner inlet, crankcase breather
etc. to be carefully sealed with water proof paper and water proof adhesive tape.
j)
Dipstick on engine to be sealed in place, with water proof adhesive tape.
NOTE: -
DO NOT ROTATE CRANKSHAFT
AFTER ABOVE MENTIONED
OPERATIONS.
k)
Loosen ‘V belts tension.
l)
Battery for engine starting, if provided, should be disconnected and stored in a cool, dry
place after ensuring the electrolyte level, refill with distilled water, if necessary.
It is recommended to recharge the battery every 30 days.
m) Tag engine to indicate that it has been treated with preservatives, and should not
be turned over until ready to run, due to possible reduction of protective film. The
tag should show the date of treatment and validity date.
n)
It is preferable to warp the engine in polyethylene bag and store in dry shade.
Periodically inspect the engine for rust or corrosion and take corrective action
if any.
o
)
If the engine is to be stored unused for more than 12 months, repeat the above procedure
completely, after every 12 months.
8.3 Commissioning of Preserved Engine
a)
Remove all the sealing tapes / papers from various openings.
b
)
Remove the Rust Preventive coating from those unpainted machined surfaces,
which are interfacing surfaces for the driven equipment. This can be done using
NC Thinner.
c)
Fill recommended grade of lube oil in the oil sump upto the ‘Top’ mark of the
dipstick. For oil filling quantity see 2.4.4.
d
)
Readjust the V-belt tension after checking the condition of V-belt (s), replace, if
necessary
(see 5.5).
e)
Reconnect a fully charged battery to recommended voltage and Amp-hr capacity
ensuring correct polarity connection (where applicable).
The engine is now ready for reuse. Follow the instructions given in section 3
before starting the engine.
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