Service; Maintenance Schedule; Oil Change Intervals - Carrier Supra 950MT Operation & Service Manual

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

Filter Type
Petroleum oil without bypass oil filter
Hours
Synthetic oil without bypass oil filter
Hours
5.1.1

Oil Change Intervals

Oil Type
Petroleum*
Synthetic**
** Mobil Delvac1 is the only approved synthetic oil. Maximum oil drain interval is two years. Oil filter change re-
SECTION 5

SERVICE

WARNING
!
CAUTION
!
NOTE
A
250
A
250
* Maximum oil drain interval is one year (12 months).
quired once a year (every 12 months).
Required Service
B C
1000 1500
C BD
1500 2000
1000 Hours
2000 Hours
5-1
BD BE F1/F2
2000 3000 6000/12000
E B B/F1/F2
3000 4000 6000/12000
Intervals
62-11863