AIRCRAFT
Propeller
DA 42 NG AMM
Page 208
15 Mar 2018
61-10-00
Doc # 7.02.15
Rev. 4
4. Check/Adjust the V-Belt Tension of the Additional Alternator (if OÄM 42-204 is installed)
Detail Steps/Work Items
Key Items/References
WARNING:
MAKE SURE THAT THE ENGINES ARE SAFE BEFORE YOU DO ANY
WORK ON THE ADDITIONAL ALTERNATOR ASSEMBLY. IF THE
ENGINE IS TURNED, THE PROPELLER CAN CAUSE INJURY OR
DEATH.
(1)
Make sure that the engines are safe:
S
Set the ELECT. MASTER switch to OFF.
S
Set the ENGINE MASTER switches to OFF.
S
Set the power levers to 0%.
(2)
Disconnect the airplane main battery.
Refer to Section 24-31.
(3)
Remove the LH engine cowlings.
Refer to Section 71-10 or 71-11.
(4)
Check the v-belt tension by conducting one of the
following test methods:
S
Pull the v-belt half way between the pulleys
down with 25 N (5.6 lbf) and measure the
deflection.
S
Measure the natural frequency of the v-belt
half way between the pulleys according the
instructions of the tension gauge
manufacturer. Repeat this measurement
4 times turning the propeller blade each
time 90°.
Recommended tension gauge:
CONTI® VSM-1.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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