Volpi Tecno Energia PAGURO 8500, Руководство пользователя и по обслуживанию

Страница: 70 / 84

10 MAINTENANCE
Mod. PAGURO
6000/9000/14000/18000/6500/8500
Date: 12.03.2020_Rev: 0.0
13
10.5.6 Heat exchanger tube nest cleaning and coolant replacement
Drain exchanger cooling liquid; shut heat exchanger outlet; remove plug from the engine; drain coolant from
engine; put cap back on engine; remove outlet fastening nuts; loosen sleeve fixing bands; remove the exhaust
manifold; loosen the screws which fasten the front cover; remove cap and O.R. ; loosen thermostatic valve
fastening screws; take the thermostatic valve body out; loosen cap fastening screws; remove cap and O.R.;
take tube nest out; dip tube nest into a solution of : water 50°C (90%) and hydrochloric acid (10%) - use gloves
and goggles; remove it when effervescence is off; rinse in water. If worn out, replace o-rings, outlet seals and
thermostatic valve seals. Put tube nest back and O.R.; reassemble O-ring, cap and tighten screws; fit circlip
and flange back in place; reassemble O-ring and cap; reassemble thermostatic valve body; tighten
thermostatic valve fastening screws; reassemble O-ring and exhaust manifold; tighten exhaust pipe fastening
nuts; tighten hose clamps for sea water inlet and outlet; remove cap and pour liquid into heat exchanger; level
should always be approximately 2 cm below filling hole; put heat exchanger plug back.
PRESCRIBED COOLANT: 50% TOTAL ANTIFREEZE, 50% water.
Topping up coolant
10.5.7 Generator cleaning
Perform a thorough cleaning of the generator.
- If not well maintained, various parts may become damaged or even corroded;
- Clogging of the combustion air holes can compromise generator performance.
- For exceptionally difficult conditions, anti-rust and/or anti-corrosion spray is recommended;
- In addition to periodic cleaning, all connections must be checked for leaks and there is no evidence of
overheating or damaged cables.
10.5.8 Maintenance of the batteries
The PAGURO generator is negative grounded. For electric starting install a 12V battery of 90Ah (not supplied).
Refer to the recommendations of the battery manufacturer and then schedule a systematic maintenance of
the batteries on board, including:
– Monitor your voltmeter for proper charging during generator operation;
– Make certain that battery cable connections are clean and tight to the battery posts (and to your generator);
– Keep your batteries clean and free of corrosion;
– Check the voltage of the starting battery. This battery should have a voltage between 13 and 14 volts when
the generator is running. If not, there is a problem in the battery charging circuit by checking the wiring and
connections, the solenoid, isolator, battery switch, and the battery itself.