Mooney SBM20-235 Owner's manual

Brand: Mooney

Model: SBM20-235

Type: Owner's manual

THIS SERV ICE BUL LE TIN IS FAA AP PROVED FOR EN GI NEER ING DE SIGN

SUB JECT:A. M20K, LAND ING LIGHT LENS RET RO FIT TO AL LOW COOL ING AIR TO

CIR CU LATE THROUGH CAV ITY.

B. AD DI TION OF SHIELD TO EX HAUST SYS TEM TO DIS SI PATE HEAT.

MOD ELS/ S/N

AF FECTED:Part A: M20K S/N 25- 0001 thru 25- TBA (Moo ney 231 & 252)

Part B: M20K S/N 25- 1000 thru 25- TBA (Moo ney 252)

TIME OF

COM PLI ANCE:Within next 10 hours of op era tion.

IN TRO DUC TION:

Moo ney has im proved the air flow in the cowl area im me di ately above the land ing lights.

Tem pera tures can be low ered by the in stal la tion of the com po nents de scribed in this Serv i ce

Bul le tin.

IN STRUC TIONS:

1. Re move cowl ing, up per and lower sec tions, per Serv ice and Main te nance Man ual (S & M).

2. Re move ex ist ing land ing light lens from front of lower cowl ing.

3. In spect en gine com part ment and cowl ing ex te rior and in te rior for evi dence of any heat dam age;

i.e., charred paint on cowl ing, charred fi ber glass, de te rio rated cowl snub bers, de te rio ra ted rub ber en -

gine mounts, paint flak ing on steel cross- over en gine mount, etc. In spect the sin gle alu min ized shield

on top of land ing light cav ity for con di tion. Re pair or re place any dam age per Serv ice & Ma in te nance

Man ual and Moo ney Serv ice In struc tion M20- 67, 10- 12- 83 and S.I. M20- 79, 9- 1- 86.

4. When re pairs have been com pleted in stall new land ing light lens, P/N 650213- 005, to lower cowl -

ing us ing ex it ing fas ten ers.

5. Re in stall lower and up per en gine cowl ing per S & M man ual.

6. Re move ex ist ing land ing light lens from front of lower cowl ing.

7. In spect en gine com part ment and cowl ing ex te rior and in te rior for evi dence of heat dam age, i.e.,

charred paint on cowl ing, charred fi ber glass, de te rio rated cowl snub ber - de te rio rated ru b ber en gine

mounts, paint flak ing on steel cross- over en gine mount, etc. In spect the two alu min ized shields in the

lower cowl ing,

(1) on top of land ing light cav ity and

(2) on the side of cowl ing near tur bo charger lo ca tion for con di tion. Re pair or re place any dam aged

com po nent or area per Moo ney S & M Man ual and Moo ney Serv ice In struc tion M20- 79, dated 9- 1-

86.

8. In stall ex haust shield assy, P/N 630122- 501 us ing (2 ea.) P/N QS100M36S clamps to se cure o n

en gine ex haust cross- over mani fold, (see Fig ure No. M20- 235-1).

9. When all com po nents have been in stalled and any re pairs com pleted in stall new land ing light

lens, P/N 650172- 003, lower cowl ing us ing ex ist ing fas ten ers.

10. Re in stall lower and up per en gine cowl ing per S & M Man ual.

11. Make ap pro pri ate Log Book en try and re turn air craft to serv ice.

WAR RANTY DATA:

All parts and la bor up to 1.0 hours will be cred ited to the Moo ney Mar ket ing or Serv-

ice Cen ter upon re ceipt of proper war ranty pa per work com pleted by April 1, 1987.

SERVICE BULLETIN: M20-235

DATE: 2-20-87

REF ER ENCE1) SI M20- 67, 10- 12- 83

DATA:2) SI M20- 79, 9- 1- 86

PARTS LIST:KIT P/N: SB M20- 235-1(25- 0001 thru 25- 0889 only)

ITEM.P/N.....DE SCRIP TION.......QTY

1)..650213- 005...Land ing Light Lens.......1

KIT P/N: SB M20- 235-2 (25- 1000 thru 25- TBA)

ITEM.P/N.....DE SCRIP TION.......QTY

1)..650173-3....Land ing Light Lens.......1

2)..630122- 501...Ex haust Shield Assy......1

3)..QS100M36S...Clamps.........2

FIG URES/

TA BLES:See Fig ure M20- 235-1.

SERVICE BULLETIN: M20-235

DATE: 2-20-87

FIG URE SB M235-1

Mooney SBM20-235 Owner's manual

Mooney SBM20-235 Owner's manual

Mooney SBM20-235 Owner's manual

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