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Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual
Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual
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77PANEL REPAIRS 16 SEALING AND CORROSION PROTECTION Rear door M77 2075A B - B 1 A B B A 222 2 A - A Section A-A and B-B show application areas of cavity wax for the rear door. Arrows 1 and 2 show the application holes.
PANEL REPAIRS 17 SEALING AND CORROSION PROTECTION SEALANTS AND ADHESIVES Structural Adhesive Metal-to-metal adhesive is applied to critical joint areas during factory assembly. The material used is a high-temperature, heat cured, nitrile phenolic which serves both to bond two metal surfaces and also to seal the joint against ingress of dust, water, petrol and fumes. This material is not suited for service use, and should be substituted in repair using a suitable medium strength adhesive. When separating a joint treated with metal-to-metaladhesive, to avoid distortion it is recommended that the joint be gently heated until the bond weakens sufficiently to permit panel separation. NOTE: DO NOT carry out MIG welding on a joint area which has been treated with metal-to-metal adhesive until all traces of adhesive have been removed. The following Illustrations show the treatment areas for Structural Adhesive. All areas symmetrically opposite to those shown are also treated. Body side capping Structural adhesive applied around body side lower fixing holes
77PANEL REPAIRS 18 SEALING AND CORROSION PROTECTION Seam Sealers A heat cured, PVC Plastisol sealer is applied to joint areas during factory assembly. This material is not suitable for service use. Carry out seam sealing after the application of primer and before the surfacer and final paint coats. Ensure that surfaces are first cleaned of all grease and oil. Apply the sealer material to the joint as a bead, either by hand or using an applicator gun. Where necessary, brush sealer well into the joint and wipe smooth using a cloth soaked with solvent such as Shell SBP3. This will ensure an acceptable cosmetic finish. Apply sealer to ALL accessible joints following repair work. Be aware that damage to a vehicle can often result in deflection to those areas of the body which are remote from the impact. The sealers in these areas can therefore be disturbed by subsequent straightening and repair operations. Check joints in the vicinity of the area undergoing repair for evidence of cracked sealer, clean them out as required and re-treat them with fresh sealer using the following procedure: Clean the affected joint or seam and re-treat any exposed metal areas with a suitable etch phosphate primer. Treat affected area with an acid-etch primer. Apply appropriate seam sealer as necessary. Apply appropriate colour coat (and underbody sealer as applicable). Where joints are inaccessible following the reassembly or fitment of components, ensure that a paste-type sealer is applied to such joints. Certain seams also become inaccessible after the completion of panel repairs. In such instances the paint process should be carried out and sealers applied before final assembly.Provided access is adequate, apply the sealer to both sides of the repair joint. Where access is limited to one side only (e.g. box sections), inject the affected box member with cavity wax. CAUTION: ALWAYS deploy an extractor unit to remove toxic fumes when using oxy-acetylene equipment to remove panels treated with wax and sealers. The following Illustrations show the treatment areas for Seam Sealing.
PANEL REPAIRS 19 SEALING AND CORROSION PROTECTION Seam sealing on bulkhead assembly - front view All areas symmetrically opposite to those shown are also treated. Seam sealing on bulkhead assembly - rear view
77PANEL REPAIRS 20 SEALING AND CORROSION PROTECTION Seam sealer on body side assembly Seam sealer on front door NOTE: Seam sealer to be wiped after application for cosmetic purposes.
PANEL REPAIRS 21 SEALING AND CORROSION PROTECTION Seam sealer on rear end assembly CAUTION: Do not block drain holes when applying seam sealer.
77PANEL REPAIRS 22 SEALING AND CORROSION PROTECTION Seam sealer on roof assembly
PANEL REPAIRS 23 SEALING AND CORROSION PROTECTION PUTTY APPLICATION AREAS The following Illustrations show the treatment areas for Putty application. All areas symmetrically opposite to those shown are also treated. Putty location on bulkhead assembly Putty location on rear end
77PANEL REPAIRS 24 SEALING AND CORROSION PROTECTION Putty location on underside of vehicle
PANEL REPAIRS 25 SEALING AND CORROSION PROTECTION Putty location on front door