Drive Belt Check, Tensioning And Replacement; Exhaust System Check - LIMBACH L 2400 EF Operating And Maintenance Manual

8.11 Drive Belt Check, Tensioning and Replacement

Drive belt check.
Check for wear, cracks and oil traces.
Drive belt tension check.
It must be possible to push the drive belt through with a strong thumb load
by 5 to 10 mm.
Tensioning of drive belt.
Generator:
Unfasten mounting bolt of clamp at the accessory housing. Unfasten mounting
nut of alternator with locking at the clamp. Tension drive belt by moving the alternator.
Tighten and lock all bolts and nuts.
Coolant Pump:
Loosen fastening bolts of tensioner, tension belt and retorque bolts.
Replacement of drive belt.
Generator:
Unfasten mounting bolts of clamp and detach drive belt from pulley of alternator.
Detach drive belt from crankshaft drive pulley. Attach new drive belt to crankshaft
and alternator pulley and tension drive belt. Tighten all mounting bolts.
Coolant pump:
Remove propeller and propeller adapter. Loosen belt tensioner and remove belt.
Install new belt, tension and tighten tensioner bolts. Mark all bolts with safety laquer
after tightening. Install propeller adapter and propeller. Check propeller blade track.
Caution:
After propeller installation airworthiness inspection is mandatory.
New drive belts stretch more during the first time of operation. A check is required after
10 operating hours. Set belt tension as necessary.

8.12 Exhaust System Check

Check for damages, leaks and condition. Refer to flight and maintenance manual of
aircraft manufacturer.
Edition: 20.06.2018
Operating Manual
L 2400 EF/DF/ET/DT/DX/DS
Page: 37/53