Searey LSA - Electrical System; Fuel System; Cooling System; Fuselage and Empennage

Searey LSA – Pilot’s Operating Handbook Version 5.0, Revision 8
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 Check for correct balance and tracking.
 Check propeller bolt condition.
 Check for proper propeller bolt torque. (AN4 bolt torque value: 6 ft. lbs. AN5 (or
8 mm) bolt torque value: 14 ft. lbs.) Bolts should also be safety wired
ELECTRICAL SYSTEM
 Clean and re-gap spark plugs. Replace spark plugs at engine manufacturer’s
specified intervals.
 Check spark plug caps and spark plug wires for condition and security.
 Check ignition switches, wires and ignition coil leads for condition and security.
 Check electric starter for condition.
 Check battery for condition and security.
 Check battery cables for condition and security.
 Remove and clean battery terminals if corrosion is visible.
 Clean battery mount and check for security.
 Check battery mount area for evidence of corrosion or acid leakage.
 Check alternator wiring for security and condition.
 Check EGT, CHT and water temperature probes and wiring for security and
condition.
FUEL SYSTEM
 Check fuel tank for secure placement, leaks, cracks, abrasions or interior
contamination.
 Check fuel tank venting for proper operation and security.
 Check fuel hoses and primer hoses for condition (pliability, leaks, blockage, etc.)
and security.
 Check fuel squeeze bulb and fuel pump(s) for condition and security.
 Check fuel filters for condition (blockage, leaks, etc.) and security.
 Replace fuel filters every 50 hours or as needed.
 Check oil tank and hoses for condition and security.
 Check and clean if necessary the in-line fuel filter.
COOLING SYSTEM
 Check all coolant lines and hoses for security and condition. Replace hoses if
deteriorated.
 Tighten all hose clamps.
 Drain and replace coolant with a mixture of 50% coolant and 50% distilled water.
 Remove radiator cowling and check radiator for security and condition.
 Clean radiator fins if dirty or obstructed. Reinstall cowling.
FUSELAGE AND EMPENNAGE
 Check all fabric covering for tears, punctures and tautness.
 Check drain grommets for proper drainage.
 Check fiberglass hull, deck and turtle deck for cracks, condition and security.
 Check bilge pump and hose for condition and security. Clear any blockage away
from bilge pump and hose.