5-1 62-11863
SECTION 5
SERVICE
Beware of V-belts and belt-driven components as the unit may start automatically. Before ser-
vicing unit, make sure the RUN/STOP switch is in the STOP position. Also disconnect the neg-
ative battery cable.
In units with R404A and POE oil, the use of inert gas brazing procedures is mandatory, other-
wise compressor failure will occur. See Technical Procedure 98-50553-00 Inert Gas Brazing for
more information.
To avoid damage to the earth’s ozone layer, always use a refrigerant recovery system when removing
refrigerant. When working with refrigerants, you must comply with all local government environmental
laws, U.S.A. EPA section 608.
5.1 MAINTENANCE SCHEDULE
5.1.1 Oil Change Intervals
Filter Type Required Service
Petroleum oil without bypass oil filter A B C BD BE F1/F2
Hours 250 1000 1500 2000 3000 6000/12000
Synthetic oil without bypass oil filter A C BD E B B/F1/F2
Hours 250 1500 2000 3000 4000 6000/12000
Oil Type Intervals
Petroleum* 1000 Hours
Synthetic** 2000 Hours
* Maximum oil drain interval is one year (12 months).
** Mobil Delvac1 is the only approved synthetic oil. Maximum oil drain interval is two years. Oil filter change re-
quired once a year (every 12 months).
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