2. Inspection
The disassembled parts except rubber parts should be washed with gasoline.
(a) Pump body inspection (Fig.7-20)
If the scraping trace is up to 1/2 long of the inner periphery, it indicates that the bearing
and gear shaft are subject to excessive wear, replace the pump body.
(b) Lining plate inspection (Fig.7-21)
Inspect the contact surface of the lining plate. If the surface is worn or its thickness is
smaller than the specified value, replace the lining plate.
Fig.7-20 Fig.7-21
(c) Front and rear cover (Fig.7-22)
If the inner surface of bushings discolored over 150°scope, replace.
(d) Inspect the driving gear and the driven gear. If they are worn, replace them.
(Fig.7-23)
(e) Replace seal rings, bushing seals, snap rings, oil seals and spring snap rings as
require.
Fig.7-22 Fig.7-23
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