B - Ardiehl.de

HYDRAULIC PUMP (Double Gear) 853H (Cont’d)
Inspection
Wash all parts in clean solvent.
Use air pressure to dry them.
Make a visual inspection of all the parts.
After visual inspection, those parts which are of
questionable condition must be replaced.
Check the bushings in the large and small bearing
housings [A].
If the bushings are worn, scratched, and etc., replace
them as needed.
Check the drive and idler gears for the large and small
pumps [B].
If excessive wear is visible on the journals, side or face of
the gears they must be replaced. If the splines are worn,
replace the drive gear(s).
Check the large and small pump housing [C].
Check the surfaces in the gear area for scratches, wear
and etc.
Replace all parts as needed.
–2–60–
A
B
C
CD–15028
CD–15029
CD–15030
853, 853H BICS Loader
Service Manual