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Calibration shall be verified in accordance with Practice E Measurement shall be performed accurately because rating error is proportional to blending error. Lubricate moving parts with SAE 30 engine crankcase lubricating oil before assembly. For more specific warning statements, see Annex A1. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn.

Calculation of Cetane Number If a chrome plated top compression ring is used, it may be reused for several overhaul periods. Oils containing viscosity index improvers shall not be used. A plot or table of handwheel readings provides a simple guide to selection of the reference fuel.

ASTM D613 – Cetane Number

The overtravel should be 0. Check replacement parts by number and visual inspection. When the engine runs out of fuel, repeat the purging sequence. D — 05 positioned over that valve tappet.

Originally approved in d63 The interval between top overhauls varies and depends primarily upon the severity of the conditions under which the unit is operated. Valve Guides, Intake and Exhaust: A water manometer f613 a satisfactory alternative.

Many of these are common hardware, tubing, fasteners and electrical items potentially available from multiple sources. The solution should be kept at this temperature for approximately 30 min and drained. Loosen the lock nut of the large handwheel and remove the locking L-shaped key. D — 05 in the container of diesel fuel oil. Warning—Deactivate the engine unit before performing any maintenance.


Fuel flow rate measurement can thus be performed by first filling the flow rate buret from the tank with the selector valve positioned on the tank mark and then s613 the valve between tank marks so that fuel from the buret leg alone supplies the fuel pump. Thank you for interesting in our services.

Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version s: Typically, blends differing by 5 volume percent T Fuel will span about 2. They are installed in a bracket positioned over the flywheel so that they clear the flywheel indicator which triggers them. Scrupulous cleanliness must be observed to prevent dirt or moisture from causing damage.

The parameters which shall be indicated are as follows: Warning—Do not allow the fuel pump to run dry, except during the momentary periods required to switch from one fuel to another, because the fuel pump is partly dependent on fuel for lubrication.

Check and adjust the thermal switch set point as required. Reagents and Reference Materials 8. A typical spray pattern is illustrated in Fig. Precision d61 Bias However, the relationship to the performance of such materials in full scale engines is not completely understood.

D — 05 FIG. Inspection for possible nozzle pintle drip as well as spray pattern should be observed when making this setting. Important criteria for a component are included aztm applicable. Any mated parts, such as delivery valve and seat or barrel and plunger assembly, must be kept together.

Some other parts may also be given attention during a top overhaul, depending on need.

ASTM D – 01 Standard Test Method for Cetane Number of Diesel Fuel Oil

Handwheel Reading Standard Bore Rebored 0. See Annex A4 for procedural detail. Shut off electrical power at the main disconnect, lock out, if possible.


Significance and Use 5. The top edge of the contact line or area shall be at aatm 0. To adjust, loosen the locknut and change the length of the connecting screw appropriately and then relock the nut.

ASTM D – 18 Standard Test Method for Cetane Number of Diesel Fuel Oil

Reassemble the connecting rod and torque the bearing cap bolts to lbf-ft. This releases the mechanism and permits the larger handwheel to be turned so that the variable compression plug can be properly moved in or out of the precombustion chamber.

Critical Equipment is specified to include the following major items: Install the cylinder over the piston so that it is seated on the cylinder base gaskets. During this period each exchange sample was rated twice on the same day by the same operator on one engine in each of the Member laboratories. Warning—Sharp knocking sounds may occur and blowby smoke may appear from the mechanism as the handwheel is rotated in the counterclockwise direction which increases the handwheel reading.

These quieting ramps are flat spots in the contour which occur at 0. Inspect the big end bearing shells and replace if wear is indicated. Thus, all timing events are referenced to the flywheel crank angle degree readings which occur at a rise of 0. Hg have not been established.