Description
Description
CHAPTER 1.6: COMBUSTION AIR BLOWER
DESCRIPTION
| No. | Description | Qty. | Removal notes | Installation notes | Details |
| 1 | Combustion air blower clamp | 1 | - | - | - |
| 2 | Fillister head screw | 1 | - | - | - |
| 3 | Blower fan with vanes | 1 | - | Adjust gap between blower fan and motor support housing to 0.039" (1 mm). Push carefully onto shaft (excessive pressure causes damage). Pressure must not exceed 500 grams (18 ounces). | Chapter 1.6 |
| 4 | Socket head capscrew | 1 | Back off with 2 mm Allen wrench | Screw against flat on shaft, seal with Loctite | - |
| 5 | Cap for motor | 1 | Replace if damaged | Ensure proper sealing, fits over tensioning ring | - |
| 6 | Cable harness and plug | 1 | Note colors when unsoldering | note markings in plug | - |
| 7 | Tensioning ring | 1 | Expand slightly, otherwise tension will be lost | Press taper ring (25) far enough into motor support so that spring can be easily installed | - |
| 8 | Fillister head screw | 2 | - | Seal with paint | - |
| 9 | Cap | 1 | - | - | - |
| 10 | Rubber grommet | 1 | - | - | - |
| 11 | Lubricating felt | 1 | - | Lubricate felt with lithium grease | - |
| 12 | Screw and washer | 1 | - | After installing, seal with paint | - |
| 13 | Locking screw and washer | 1 | - | After installing, seal with paint | Chapter 1.6 |
| 14 | Contact breaker for ignition | 1 | Check for erosion and check gap | Adjust gap to 0.016" (0.4 mm), no grease on points! | Chapter 1.6 |
| 15 | Fillister head screw | 1 | - | - | - |
| 16 | Condenser clamp | 1 | - | Ensure good ground connection | - |
| 17 | Condenser | 1 | - | Test | - |
| 18 | Brush spring | 2 | - | - | - |
| 19 | Carbon brushes | 2 | Check for wear | Note pigtail guide | Chapter 1.6 |
| 20 | Pole housing, armature and brush holder | 1 | Check for commutator erosion and bearing damage | Axial play of armature max. 0.012" (0.3 mm). Motor shaft must not be loaded in axial direction more than 500 grams (18 ounces) | - |
| 21 | Motor support housing | 1 | - | Clean, if damaged install new one | - |
| 22 | Rubber support ring | 1 | Replace if damaged | Rubber ribs must engage in holes of motor housing | - |
| 23 | Cheese head screw | 2 | - | - | - |
| 24 | Motor housing | 1 | - | - | - |
| 25 | Taper ring for motor support | 2 | - | Push one taper ring, with its flat surface first, into motor support housing as far as it will go | - |
| 26 | Motor support rubber ring | 1 | - | Insert rubber ring and taper ring into motor housing | - |
| 27 | Condenser clamp | 1 | - | - | - |
| 28 | Condenser | 1 | - | Test | - |
| 29 | Countersunk head screws for contact breaker plate | 2 | - | Seal with paint | - |
| 30 | Circlip | 2 | - | - | - |
| 31 | Gear shaft | 1 | - | - | Chapter 1.6 |
| 32 | Gear | 1 | - | - | Chapter 1.6 |
| 33 | Locknut | 1 | - | - | Chapter 1.6 |
| 34 | Contact breaker plate with contact for fuel pump | 1 | Check points for erosion, check gap | Adjust breaker point gap (0.016"/0.4 mm) | Chapter 1.6 |