TB 11-6115-741-24
TIER 1 TECHNICAL INSPECTION
CHECKLIST
Tier 1 Technical Inspection
Condition
Inspect the doors, panels, hinges, and latches for
damaged, loose or corroded items and missing
1
gaskets.
Inspect engine exhaust cover for damage and free
movement. If cover is missing, inspect muffler
2
and engine for internal water accumulation. See
PS Magazine #566, Jan 2000.
3
Inspect air intake and exhaust grills for debris,
and torn or deteriorated foam.
4
5
Inspect skid base for cracks and corrosion.
Ensure that insulating materials are complete,
6
touching exhaust components.
Inspect engine wiring harness for damage, frayed
insulation, loose splices, loose or corroded
7
terminals, and terminals with broken or partially
broken wires.
8
Inspect the fuel system for leaks and damaged,
loose or missing parts.
Check supply and return fuel lines, fuel injector
pump and fuel injectors for cracks, leaks and
9
evidence of damage. Verify that the high-
pressure injector line clamps are installed as
applicable.
Inspect the fuel filter/water separator for leaks,
proper mounting, cracks, and damaged or
10
missing parts.
11
Check the ether start system for deteriorated,
loose or missing parts and loose tubing.
12
Inspect the lubrication system for leaks and
damaged, loose or missing components.
13
Inspect the oil drain system for leaks, cracks and
missing components.
14
Inspect the fuel tank through the fuel filler neck