SERVICE AND ADJUSTMENTS
6 - 5
Issued: August 2003RT700 Series
ROTARY MANIFOLD
Use the following procedures when disassembling, inspect-
ing, repairing, and reassembling the rotary manifold.
DISASSEMBLY
The rotary manifold may be disassembled by removing the
four capscrews and the top plate.
NOTE: Be sure to mark an index point on the case and
spool to insure proper reassembly.
INSPECTION AND SEAL REPLACEMENT
1. The “case” bore should be thoroughly washed with sol-
vent or diesel fuel and inspected for signs of “scoring”
or deep scratches. This type of damage is generally
caused by the presence of foreign material in the
hydraulic system. No satisfactory method of repairing
this type of damage can be conducted in the field.
AS SOON AS THE ROTARY MANIFOLD IS READY TO
BE PLACED INTO OPERATION, IT SHOULD BE
SLOWLY ROTATED SEVERAL MINUTES TO ALLOW
ANY ENTRAPPED AIR TO ESCAPE AND TO FACILI-
TATE REFORMING OF SEALS THAT MAY HAVE
TEMPORARILY DEFORMED DURING STORAGE.
All overhaul should be done in a clean, enclosed facility with
personnel familiar with hydraulic systems and cleanliness
procedures.
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