CHAPTER 51
PAGE 30
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
Refinish the surface according chapter 51-70-06.
If the extent of the damaged area exceeds 10 cm (4 inches)
a large damage repair is required.
Carefully trim out the damaged portion to a circular or oval
shape.
Prelaminate a backing plate from two layers of glass fibre
fabric and resin mixture, which must be approx. 20 mm
larger than the damaged area. Apply peel nylon fabric as
external layer. Sandwich the resin wetted layers between two
sheets of plastic foil.
Work the excess resin out and allow the plate to cure at
elevated room temperature for 8 hours on a flat surface or a
plasticfoil-covered surface of the proper curvature near the
damaged area, or the same location on a comparable
undamaged part.
Following the curing cycle remove plastic foil and peel
nylon fabric. Bond the backing plate to the inside using a
mixture of resin and cotton flocks, and adapt to the contour.
Cure the bonding at elevated room temperature for 8 hours.
Subsequently scarf the edges of the damaged portion with
sandpaper. Minimum lenght of scarf per fabric layer approx.
20 mm;
I M P O R T A N T
Ratio (laminate thickness : scarf lenght) approx. 1: 50.
Following the scarf procedure, clean the repair area thor-
oughly:
1
Remove the sanding dust with a pneumatic vacuum
cleaner
2
Clean the scarfed overlaps with carbon-tetrachloride or
acetone in case dirt or grease was introduced during the
preparation of the overlap.
I M P O R T A N T
Repair area must be free of dirt, dust and grease.
Wet all surfaces of the backing plate and the scarfed area with
resin mixture. Lay on prelaminated fabric layer in accord-
ance to the layer sequence plan. Ensure correct style and
direction of fabric.
Summary of Contents for 300LT
Page 10: ...CHAPTER 1 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 1 Introduction ...
Page 98: ...CHAPTER 9 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 9 Towing and Taxiing ...
Page 108: ...CHAPTER 12 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 12 Servicing ...
Page 141: ...CHAPTER 20 PAGE 17 PAGEDATE 12 June2015 MAINTENANCEMANUALEXTRA300LT Figure 3 Control Cables ...
Page 145: ...CHAPTER 21 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 21 Air Conditioning ...
Page 148: ...CHAPTER 21 PAGE 4 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 1 Heating System ...
Page 156: ...CHAPTER 23 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 23 Communication ...
Page 160: ...CHAPTER 24 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 24 Electrical Power ...
Page 186: ...CHAPTER 27 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 27 Flight Controls ...
Page 198: ...CHAPTER 27 PAGE 13 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 10 Aileron Control ...
Page 216: ...CHAPTER 28 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 28 Fuel ...
Page 219: ...CHAPTER 28 PAGE 4 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 1 Fuel System ...
Page 222: ...CHAPTER 28 PAGE 7 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 2 Storage ...
Page 230: ...CHAPTER 28 PAGE 15 PAGEDATE 21 March2014 MAINTENANCEMANUALEXTRA300LT Figure 7 Distribution ...
Page 238: ...CHAPTER 28 PAGE 23 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 11 Indicating ...
Page 260: ...CHAPTER 32 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 32 Landing Gear ...
Page 268: ...CHAPTER 32 PAGE 9 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 4 Brake System ...
Page 272: ...CHAPTER 33 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 33 Lights ...
Page 280: ...CHAPTER 33 PAGE 9 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Figure 3 Landing Light ...
Page 284: ...CHAPTER 34 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 34 Navigation ...
Page 338: ...CHAPTER 53 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 53 Fuselage ...
Page 357: ...CHAPTER 55 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 55 Stabilizers ...
Page 369: ...CHAPTER 57 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 57 Wings ...
Page 381: ...CHAPTER 61 PAGE 1 SERVICEMANUAL EXTRA300LT PAGEDATE 7 July2010 Chapter 61 Propeller ...
Page 390: ...CHAPTER 71 PAGE 1 SERVICEMANUAL EXTRA300LT PAGEDATE 7 July2010 Chapter 71 Power Plant ...
Page 401: ...CHAPTER 72 PAGE 1 PAGEDATE 7 July2010 MAINTENANCEMANUALEXTRA300LT Chapter 72 Engine ...
Page 443: ...CHAPTER 78 PAGE 1 MAINTENANCEMANUALEXTRA300LT PAGEDATE 7 July2010 Chapter 78 Exhaust ...
Page 450: ...CHAPTER 79 PAGE 1 MAINTENANCEMANUALEXTRA300LT PAGEDATE 7 July2010 Chapter 79 Oil System ...
Page 462: ...PAGEDATE 24 September2012 CHAPTER 91 PAGE 1 MAINTENANCEMANUALEXTRA300LT Chapter 91 Charts ...
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Page 544: ...CHAPTER 96 PAGE 1 MAINTENANCEMANUAL EXTRA300LT PAGEDATE 21 March2014 Chapter 96 Smoke ...