CHAPTER
7 INSPECTION AND MAINTENANCE
[FIGURE
7-11
I REAR DOOR]
Complete renewal
of
grease, when necessary,
can
be
accomplished
by
forcing out the old
grease with the new grease. Thoroughly wipe
those portions
of
the housing around the filler and
drain plugs (above and below bearings). Remove
the drain plug (bottom) and free the drain hole
of
any hardened grease which may have accumu-
lated. With the motor not running, add new
grease through the filler hole until clear grease
starts to come out
of
the drain hole. Before
replacing the drain plug, run the motor for
10
to
20 minutes to expel any excess grease. The filler
and drain plugs should be thoroughly cleaned
before they are replaced.
750-150
The lubricant
used
should
be
clean and equal to
one
of
the good commercial grades
of
grease
locally available. Some lubricants that are
dis-
tributed nationally are:
Gulf
Oil Precision Grease
No.2
Humble Oil Andok B
Texaco Multifak No. 2
Phillips
lB
+ RB No. 2
Fiske Bros. Ball Bearing Lubricant
Standard/Mobil Mobilux No. 2
CHAPTER
7-21
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