Mooney SIM20-96 Owner's manual

SER VICE IN STRUC TION M20-96

Date: Oc to ber 10, 1992

SUB JECT:En gine iso la tor, mount at tach bolt, lo ca tion of washer un der bolt head.

MODELS/S/N AF FECTED:M20M - S/N 27-0001 THRU 27-0137

TIME OF

COM PLI ANCE:At next sched uled main te nance ac tion (but within 180 days of is sue of this SI.)

IN TRO DUC TION:

Some M20M air craft may have the lower en gine iso la tor/mount bolts po si tioned very close to the en gine

oil sump. This may cre ate a po ten tial for in ter fer ence dur ing some op er a tional ma neu vers. This Ser vice In -

struc tion repositions the AN960-716 washer from un der the nut to un der the bolt head, al low ing more

space be tween the end of the bolt and the oil sump.

IN STRUC TIONS:

1. Re move up per and lower cowl ing per M20M Ser vice and Main te nance man ual, No. 150,

Sec tion 71-10-00.

2. Lo cate both LH & RH lower en gine iso la tor/mount at tach ing hard ware.

3. Loosen and re move (one side at a time) the two lower iso la tor/mount at tach ing hard ware (1).

4. Re-position the AN960-716 washer (2) from un der nut (for ward side of iso la tor [A]) to un der bolt

head (aft side of iso la tor[B]). Do not al low in ter nal spacer (3) to slip out of po si tion dur ing bolt re -

moval.

5. Re peat this re-positioning pro ce dure on the other side (lower iso la tor/mounts ONLY).

6. Torque at tach ing hard ware to proper torque, ref er ence M20M S & M, Sec tion 71-20-00.

7. Ap ply “Torque Seal” com pound to bolt shaft and nut of re-positioned hard ware.

8. In spect en gine iso la tor and mount for ob vi ous dis crep an cies or wear.

9. Re-install lower and up per cowl ing per M20M S & M, Sec tion 71-11-00.

10. Make log book en try and re turn air craft to ser vice.

WAR RANTY:Moo ney will al low 0.5 hours la bor to ac com plish this Ser vice In struc tion when proper

war ranty pa per work is re ceived by

Ser vice Parts within 180 days of the

is sue date of this Ser vice Bul le tin.

REF ER ENCE

DATA:N/A

PARTS

LIST:N/A

FIG URES/

TA BLES:Fig ure SI M20-96-1