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IH: Oiling & Lubrication - Sub-03F

57-76 Oil Pump - Individual Parts and Pics

There were 3 springs used from 52-76. ¹⁾
(52-56 also used a second valve- pressure relief).

This is suppose to be a NOS 67 Pump Spring.
L = 1.215“ Wire Gauge = .024”

67 oil pump spring. ⁶⁾


52-E57 ⁷⁾	(L) L57-E72 - (R) L72-76 ⁸⁾	(Bottom) L57-E72 - (Top) L72-76 ⁹⁾

(Missing are the -'56 breather gear and long full profile woodruff scavenge drive key and snap-ring). ¹⁰⁾

Breather Gears ¹¹⁾	Some of amf's signature quality control. These are 3 - 72 breather gears.¹²⁾	A closer view¹³⁾

The 2 different breather housings¹⁴⁾	Feed Gear Sets¹⁵⁾	More often than not the solid pin was a slipfit in cross hole.¹⁶⁾

On to the bodies. The 2nd text is “26217-56a L58-e62”¹⁷⁾

The 4 different scavenge gear sets. Lined up from early in foreground to later in background. This is to show the height progression.¹⁸⁾	Top view of all 4 sets.¹⁹⁾	A closer view of the height changes.²⁰⁾

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