Generac Power Systems GTS "W", Owner'S Manual

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22 Generac ® Power Systems, Inc.
Use only specified greases to lubricate contactor
parts. DO NOT USE ANY SUBSTITUTES.
Use the following lubricants for the:
1. Main Contacts (Between movable contact and bus-
bars).
• Dow Corning (Molykote) BR2 Plus; (Mfg. by Dow
Corning Co., USA)
• Liqui-Moly (Mfg. by DAI TO Co., Ltd., Japan)
2. Operating Mechanism (Used on the actuator and
other parts of the contactors. Excluding the mov-
able contacts).
• Mobilgrease 28 (Mfg. by Mobil Oil Co.)
• Mobiltemp SHC 32 (Mfg. by Mobil Oil Co.)
• Polo Moly Complex Grease #NLG12 (Mfg. by Polo
Lubricants, USA)
• Rheolube 363 (Mfg. by Nye Lubricants Inc., USA)
4.4 MAIN CURRENT CARRYING
CONTACTS
At least once annually, have an Authorized Service
Technician check the main current carrying contacts in
the transfer mechanism. He will repair or replace major
components that have been found defective.
4.5 NINE-VOLT BATTERY
The transfer switch is equipped with an adjustable
Inphase Monitor Control circuit board. The battery con-
nects to a separate 7-day exerciser circuit board.
Battery power for Exercise Timer operation is only
needed during the short time interval when the transfer
mechanism main contacts are at NEUTRAL position
(LOAD disconnected from both power sources). It is
recommended that the 9 volt battery be replaced once
each year.
!
Section 4 — Maintenance
Generac GTS “W” Type Transfer Switch