Caterpillar Engine Tools Cat Overhaul 3512 Prueba [PDF, ENG, 12 MB]. Caterpillar - Troubleshooting for C175-16 and C175-20 Engines for Caterpillar Built Machines [PDF, ENG, 3.6 MB].
Engine anti-ice must be on during all ground and flight operations when icing conditions exist or are anticipated, except during climb and cruise below -40°C SAT. Engine anti-ice must be on prior to and during descent in all icing conditions, including temperatures below -40°C SAT. Do not use wing anti-ice on the ground when the OAT is above 10C.