TM-9-2815-213-34
ENGINE, DIESEL, WITH ACCESSORIES CUMMINS MODEL V8-300 (2815-910-8217)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING DIRECT SUPPORT AND GENERAL SUPPORT REPAIR PARTS LIST AND DEPOT MAINTENANCE ALLOWANCES)
FEBRUARY 1972
TM-9-2815-213-34 - Page 10 of 192
*TM 9-2815-213-34
Figure 1-1. Model V8-300 engine assembly--3/4 left front view.
pump. Oil is delivered to all working parts of the engine
through drillings in the block, cylinder head, crankshaft,
and rocker levers. Lubricating oil is forced through the
crankshaft to lubricate the main and connecting rod
bearings. Lubricating oil pressure is controlled by a
regulator which is an integral part of the oil pump
assembly. The air compressor receives pressure
lubrication from the engine oil supply. The oil flow cycle
is as follows.
(a) Oil is drawn to oil pump through suction tube, in
oil pan. It is then pumped through a passage in rear of
block through right bank water header cover to front of
the block.
(b) The oil flow crosses in front of block to left bank
through oil filter and into cooler. From cooler, oil flows to
left bank oil drilling at rear of engine. The oil pump by-
pass dumps oil directly into pan.
(c) From left bank oil drilling, at rear of engine, oil
flows to no. 4 cam bushing and no. 4 main bearing which
in turn supplies no. 3 and 7 connecting rods.
(d) Right bank rocker arms are oiled intermittently
through no. 5 cam bushing.
(e) From left bank oil drilling, oil flows to left bank
tappets, to no. 2 and 3 cam bushings, and no. 2 and 3
main bearings. No. 3 main bear-
1-2
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