Section 03 ENGINE
Sub-Section 03 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
03-03-2
Engine
TYPICAL
1. Blocked intake flanges
2. Blocked impulse fitting
3. Open ends (if applicable)
4. Blocked RAVE valve flanges (if applicable)
5. Blocked exhaust flanges
When exhaust manifold is installed, use rubber
plug. (In this case it is not necessary to move pis-
ton to B.D.C.).
1. Rubber Plug
Check the following:
1. All jointed surfaces and screw/stud threads of
engine:
– spark plug base, insulator
– cylinder head
– cylinder base
– crankcase halves (joint)
– rotary valve cover
– oil injection pump mounting flange
(O-ring, seal)
– coolant pump housing
– bleed screws/plugs
2. Small injection oil lines coming from pump.
1. Banjo fittings
2. Small injection oil lines
Check for air bubbles or oil column going toward
pump. It indicates defective check valve in banjo
fitting (or lines).
3. Remove cooling system cap.
Check for air bubbles in antifreeze. It indicates de-
fective cylinder head O-ring or cylinder base gas-
ket.
A01B4TA
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2
3
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5
A01B4BA
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A01B2XA
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