Alpha Technologies AlphaGen PN-6x-T 7.5kW 48VDC - Technical Manual - Manual (Page 76)

76 042-288-B0-001, Rev. A
7.0 Maintenance, continued
7.1 Servicing the APU
Required Tools and Equipment:
• Phillips screwdriver
• 10mm socket wrench
• 3/8" open-end wrench
• Digital Voltmeter (DVM) capable of displaying true RMS
• Battery operated frequency counter (or DVM with this function)
Prior to Performing Maintenance Activities:
1. For routine engine maintenance procedures, refer to the Kohler Power Systems COM7.5
Operation Manual included with your generator.
2. Notify contact personnel that the unit will be out of service for maintenance.
3. Disable the generator ECM (RAS switch to Stop) to prevent unexpected engine start.
4. Switch the DC Output circuit breaker to the OFF position.
5. Verify the gas sensor has no alarms.
6. Ensure the engine/generator is cool to the touch. Exhaust pipes can cause serious burns.
The following components on the APU are accessible from the front, and do not require
removing the enclosure cover:
Air fi lter replacement Rectifi er replacement
Oil fi lter Oil fi ll
Dual fuel load block (propane/natural gas) Electrical interface connections
Demand regulator pressure tap
• The duplex outlet is designed for the carburetor and block heaters
only. This is NOT a service outlet.
• Failure to perform recommended maintenance will result in
equipment damage, and may void the equipment warranty.
• Failure to use recommended replacement parts or procedures
may result in equipment damage, and may void the equipment
warranty.
A corrosion inhibiting coating (i.e. LPS 3) must be used on all exposed connectors (battery posts, fuse tabs,
etc.) and reapplied annually per the manufacturer’s instructions.
NOTE:
CAUTION!
Avoid exhaust pipes while checking oil. Exhaust pipes can cause serious burns.
WARNING!
Duplex Outlet