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ENGINE
very careful not to scratch or gouge the sealing
2. Slide into place around the crankshaft if engine
surfaces. All dried cement or other material must be
is still assembled; or directly into the recess, if
removed from these surfaces. Check filler block contact
crankshaft is out.
faces for flatness. Replace if warped.
3. Apply a light coat of non-hardening cement to
3. The jute packing, as it is received, has a
hold the oil pan to filler block seal. (Fig. 53)
diameter approximately one-third greater than the width
of the grooves.  This must be crushed in a vise, or
otherwise flattened narrow enough to be inserted in the
grooves.
4. Press it into the grooves of both the filler block
and oil guard as well as possible by hand. Then, using a
piston pin, smooth hammer handle or some other tool
with a smooth, rounded surface, iron the packing into
the groove so that it is seated firmly and expanded to
grip the sides. (Fig. 52) In its present condition the
packing is long enough to protrude from the groove at
both ends.
Figure 53.
OIL PUMP (Fig. 34)
A. GENERAL
The oil pump is assembled to the center main bearing
and held in vertical position against a machined pad by
studs. The extended portion of the body acts as a pilot,
fitting closely in a reamed hole in the main bearing web,
maintaining a definite relationship between the camshaft
and the oil pump drive shaft. A gear assembled to the
upper end of this shaft is driven by a mating gear cut on
the camshaft, and drives the oil pump gear which is
assembled to the lower end of the pump shaft.
Figure 52.
The pump shaft is carried in two bronze bushings
assembled in the cast iron housing, which is also a part
5. With a sharp knife or razor blade, cut this off
of the oil distributing system. The capacity is well in
parallel to the surface of the casting, allowing it to
excess of that required by the engine.
protrude 1/32 inch.
B. SERVICE (Fig. 54)
C. INSTALLATION
1. Note distributor rotor position before
1. Coat the outer or sealing surface of the oil guard
with a non-hardening cement.
B-18

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