Van's Aircraft RV-12 Maintenance Manual page 150

C ,
YLINDER PISTON AND VALVE ASSEMBLY REMOVAL
Tools
Expendable
Replaceable
Service Rating
Minimum Certification
Additional References
R
EMOVAL
▲ WARNING: A
LLOW THE ENGINE AND APPLICABLE COMPONENTS TO COOL
BEFORE PERFORMING SERVICE OR INSPECTION
WILL CAUSE SERIOUS BURNS
1. Remove the exhaust system, see Exhaust System chapter.
2. Disconnect all wires and fuel pump drain tube from oil return tubes if/as required.
3. Disconnect oil pressure, EGT, and CHT wires from cylinder heads as required.
See Rotax Line and Heavy Maintenance Manuals for the remaining steps:
4. Drain coolant; remove intake manifolds, water hoses, valve covers, cylinders,
pistons, and valve assemblies.
I
NSTALLATION
1. Installation is reverse of removal.
2. Refill coolant system to recommended level.
5 mm Allen wrench, 12,13 mm socket, wire
cutters, pliers, #2 Phillips & straight slot
screwdrivers, and others for engine disassembly
Tie wraps, engine coolant
Coolant Hoses - reuse if serviceable, coolant
Heavy
LSA-RM with Rotax Maintenance certification or
A&P with Rotax Maintenance certification
KAI, Rotax Line and Heavy Maintenance
Manuals
. H
.
12-18
OT ENGINE COMPONENTS
Rev.5