A-13
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
Priming the Lubrication System
NOTE : Diesel engines must not be rotated when
priming with oil; otherwise, they are likely
to start running.
When assembling the overhauled engine, it is
necessary to thoroughly lubricate the various
running parts with clean engine oil to assure initial
lubrication when engine is first started.
However, to further make certain that complete
initial lubrication is available, the engine lubricating
system should be pressure primed or charged with
oil. Attach the line from a priming device to a
suitable fitting located in the main oil gallery, filter
header or oil cooler of the engine and inject
sufficient oil into the engine to fill the oil filters
and charge the entire system. Use only clean engine
oil in accordance with Operator’s Manual. New or
overhauled engines that have been in storage over
an extended period should also be primed
in a similar manner.
After the priming procedure is completed, make
certain that the oil level is checked before the engine
is put into service. Do not overfill the engine; neither
should engine be short of oil as a result of using
the pressure priming procedure.
Priming the engine will minimize the possibility of
scuffing or heat build-up in the running components
which could lead to immediate or low hours of use
failures.
Engine Run-in Schedule
NOTE : Do not run the engine at low or high idle
speeds for long period after installing new
rings or sleeves, as rings will not seat
during idle operation.
Start
Prior to starting make sure, that
a) all bearings are pre-lubricated
b) the crankcase is filled with specified engine
oil
c) the cooling system is filled correct level
d) Precautions for alternator operation are
observed.
Run-in
1. Start and run engine at 3/4 rated engine
speed with no load, until operating
temperature (80-85
0
C) (164-172
0
F) is reached,
cover the radiator if necessary, DO NOT run
for over 10 Minutes.
2. Retorque cylinder head bolts.
DO NOT run the engine longer
than 15 Minutes, before retorquing cylinder head
bolts.
3. Continue according to the following chart.
with Dynamometer
Engine Load Time
RPM % minutes
1400 40 5
2000 50 5
rated speed 80 10
100 below rated speed 50 10
without Dynamometer
(In-Vehicle Run-in Procedure)
Engine Load Time
RPM % minutes
3/4 of rated light 5
3/4 of rated medium 15
rated speed full 20
After Running-in
Retighten manifold bolts and/or stud nuts.
Re Torque the cylinder bolts and check valve
clearance and readjust as necessary.
Handing over the Engine
In the presence of the operator check engine oil
level and coolant level. Test run the engine.
Point out to the operator that the overhauled engine
is to be treated in the same way as a new one.
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