CESSNA 170 100 HOUR / ANNUAL CHECKLIST
CESSNA 170B · Checklist
Overview
This document is a 100-hour/annual checklist specifically for the Cessna 170 aircraft. It serves as a comprehensive guide for maintenance personnel and inspectors to ensure that all critical systems and components of the aircraft are thoroughly checked and maintained. The checklist includes pre-inspection procedures, engine area checks, fuel system inspections, landing gear evaluations, and assessments of the airframe, wings, and empennage group. Each section outlines specific tasks to be performed, ensuring compliance with safety standards and operational integrity. This checklist is essential for maintaining the airworthiness of the Cessna 170, providing a systematic approach to routine inspections and maintenance.
- Perform a pre-inspection engine run to verify oil pressure and engine function.
- Check engine compression for all cylinders, aiming for 80 psi across the board.
- Inspect landing gear for security and check tire pressures regularly.
- Ensure all fuel lines are leak-free and secure at connections.
- Check aileron travel of 20° up and 14° down, and flap travel of 38° +2° -1° down.
Document
Source
Originally published by www.geocities.ws. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Checklist
- Pages
- 4
- File size
- 40 KB
- Publisher
- www.geocities.ws
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In this document
Pre-Inspection Engine Run
This section outlines the necessary checks before running the engine, including verifying the operation of the engine primer, starter, oil pressure at idle and 1700 RPM, and checking the operation of the fuel selector and electrical systems.
Engine Area
In this section, various checks are performed on the engine area, including inspecting for leaks, draining and filling engine oil, checking spark plugs, and ensuring the proper operation of magnetos and ignition systems.
Fuel System
The fuel system inspection includes checking for leaks in fuel tanks, draining sumps, and ensuring the proper operation of the fuel selector valve.
Landing Gear
This section focuses on the inspection of the landing gear, including checking for general condition, security of attachment, and inspecting hydraulic lines and tires.
Airframe
The airframe inspection involves checking for corrosion, cracks, and the condition of control cables, instruments, and the vacuum system.
Wings
This section covers the inspection of the wings, including checking for surface condition, wing attachment bolts, and the operation of flaps and ailerons.
Electrical System
The electrical system inspection includes checking the battery condition, navigation lights, and ensuring all electrical wiring is secure and properly insulated.
Additional Checks
This final section emphasizes the importance of checking all applicable ADs for compliance and ensuring that all panels and fairings are replaced post-inspection.
Safety notes
- Pay extra attention to rudder circuit cables and front spar carry-through blocks as they are prone to neglect and corrosion.
- Inspect the longeron where the pilot's right brake master cylinder is attached for cracks or damage.
Full document text
CESSNA 170 100 HOUR / ANNUAL CHECKLIST FAA registration No: _________ _____ Serial number: __________________ Aircraft Year / Model: _______________ Inspector: ______________________ Aircraft owner: ____________________ Address: _______________________ Aircraft tach time: __________________ Hobbs Time: ____________________ Today’s Date: _____________________ Airframe TT: ____________________ 1. PRE-INSPECTION ENGINE RUN Engine primer – proper operation Starter – proper function Oil pressure – Idle:_____ & 1700 RPM: ______ CHT: __________ EGT: ________ Oil temp: ________ Fuel selector – operates in all positions Ammeter – proper function Generator/alternator for charge Carburetor and Cabin heat for operation Engine instruments for operations and markings Static RPM: ________ Max RPM: __________ Magnetos for correct drop Left: _________ Right: ________ Brakes and parking brake for operation Electrical system for operation Radio equipment for operation Idle cut-off 2. Make a pre-inspection walk around, checking for damage and previous repairs. 3. ENGINE AREA Check for evidence of oil, exhaust, or fuel leaks Drain engine oil Clean oil screen or replace external filter element if installed Check oil filler cap, dipstick, and drain plug Fill engine oil Replace / clean induction air filter element as required Inspect induction system and tighten intake pipes and adaptors Drain carburetor inlet chamber, clean screen and drain bowl Check cold and hot air hoses Check condition of engine baffles Check condition of cylinders, rocker box covers and push rod housings Remove muffler shrouds and check for cracks and leaks Check condition of ignition harness and electrical wiring Inspect spark plug terminal ends Clean, gap and rotate spark plugs Compression: 1. 80 / ___ 2. 80 / ___ 3. 80 / ___ 4. 80 / ___ 5. 80 / ___ 6. 80 / ___ Check engine controls and linkages (inspect and lubricate) Check engine mounts and mount bushings for condition and security Check cabin heater valves and controls Check starter, solenoid, electrical connections and engagement lever Check generator / alternator and electrical connections Check magnetos, touching up points if necessary, and check timing: Right Magneto 26° B.T.C. TSN: ______ TSOH: ____ Left Magneto 28° B.T.C. TSN: ______ TSOH: ____ Install and inspect engine cowling 4. PROPELLER Check propeller assembly for cracks, bends, and nicks Check hub for defects, tightness, and safety Check propeller track Check spinner and backing plates for security and mounting 5. FUEL SYSTEM Check fuel tanks for leaks and security of mounting Drain sumps, clean fuel strainers and bowls Check all fuel lines for leaks at connections and security of mounting Check fuel tank vents, tank caps and gaskets Check condition and operation of fuel selector valve and placard legibility Check seal of fuel tank filler necks to internal structure 6. LANDING GEAR Inspect landing gear for general condition and security of attachment Visually inspect landing gear legs and tail wheel springs for cracks Check gear attachment bolts and wedges for condition and security Inspect hydraulic lines for chaffing, security, and leakage Inspect wheels and brakes for cracks, defects, adjustment and condition of bearings Check tires for wear and cuts Check brake puck or pad thickness Clean tail wheel assembly, check for alignment, security, and freedom of movement Check tail wheel tire and bearings for wear, cracks, and other defects Lubricate tail wheel assembly Check tire pressures and safety of axle nuts Check fluid level in Master cylinders If Cleveland brakes are installed clean caliper slides (do not lube, attracts dirt) 7. AIRFRAME Check general condition of skin for corrosion, distortion, cracks, or other defects Inspect internal condition of primary structure for damaged members, rust, or corrosion Inspect all control cables, turnbuckles, pulleys, guides, sheaves and bellcranks Inspect windows, windshield, and doors Inspect seats, seat stops, seat rail, upholstery, structure, and seat mounting Check condition of instruments wiring and plumbing Inspect vacuum system Inspect pitot and static system Check magnetic compass compensation card and for proper fluid level Check instrument panel, shock mounts, ground straps, cover, decals & labeling Check heating and ventilating systems and controls Check stall warning unit Check radios and radio controls Inspect radio antennas for attachment and condition 8. WINGS Check surface condition (fabric, dope, or skin) for general condition, corrosion, deterioration, distortion, cracks, and other evidence of failure Check wing attachment bolts and safety Inspect lift struts, fittings and attachment Inspect internal structure of wing Check flaps and ailerons, check all cables for clearances, safety and tension, bellcranks, brackets and actuating devices for condition and freedom of operation Aileron travel 20° up 14° down. Flaps travel 38° + 2°- 1° down. Check aileron and flap hinge brackets and hinge pins for looseness and condition Inspect pitot mast and airspeed lines Check all fairings and screws 9. EMPENNAGE GROUP Check surface condition of skin for general condition, corrosion, cracks, other evidence of failure and security of attachment Remove all fairings and inspect all surface attachments and adjacent areas Check cables for proper tension and safety Check trim tabs for adjustment mechanism for attachment excessive looseness and proper operation Inspect rudder and elevator hinge fittings, pins and horns for cracks, looseness, and proper installation Operate rudder and elevator and check for ease of operation and proper travel and stops Elevator 26 + 1° - 0° up and 20 ± 1° down.
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Elevator tab 12 ± 1° up and 25 ± 1° down. Rudder travel 16° right 16° left. Inspect and install fairings 10. ELECTRICAL SYSTEM Inspect battery for condition and terminals for tightness Inspect battery box drains and vents and paint if corroded by acid Check battery cables for corrosion and proper insulation from battery box cover Check navigation lights and landing lights Check electrical wiring for possible chafin, security and proper insulation Check electrical switches for operation and fuse box for burned fuses and spares Check position light flasher and or strobe for mounting and operation ELT check per FAR 91.207 11. ADDITIONAL CHECKS Check all applicable Ads for compliance Replace all panels, fairings, carpet, seats, and engine cowling Post inspection engine run-up, idle mixture adjustment, and leak check Logbooks and AD list signed off SHOP NOTES ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ Signature: ________________________________ License #: ____________________________ Date: ________________________________ Pay extra attention to the following: Rudder circuit cables between the rudder and the aft bulkhead (inside the tail cone.) These are really hard to get to and so are highly-neglected, and frequently chafed/broken/corroded. Front spar carry-through and internal wing attach blocks. (These blocks are inside the spar carry-through and the bolt that holds the wing to the fuselage pass through this block.) These suffer from 50 years of age in a high water collection spot. Front/rear doorposts. These are the main strength of the cabin/fuselage and hard landings and high-speed flap abuse will deform them. The front doorposts are often overlooked by tricycle- gear mechanics, but that is where landing shock-loads are absorbed by the 170. Be sure to have your inspector check the longeron on which the pilot's right brake master cylinder is attached (pivot point). It is pretty common for them to be cracked or broken. If it's broken, it'll need to have a doubler riveted, which takes ~8 hours. Take a good look at the door and window hinges. A good negotiating tool if they are bad since it is not an easy fix. Wrinkles in the skin between the landing gear could indicate bigger problems in the gear box. Check for cracking and corrosion around the tail spring box. References: Aircraft Spruce had the following in 2005 (http://www.aircraftspruce.com/): 170B owner's manual $12. The Illustrated Parts Catalogue $37. Continental C-125/C-145/O-300 parts catalog $62. Continental C-125/C-145/O-300 overhaul manual $85.
What's in the CESSNA 170B TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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