Volvo Penta Aquamatic 250C Workshop Manual
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Volvo Penta Aquamatic 250C Workshop Manual

Volvo Penta Aquamatic 250C Workshop Manual

Volvo penta aquamatic 250 workshop manual drive
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Workshop Manual
C
Drive
2(0)
Aquamatic 250

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Summary of Contents for Volvo Penta Aquamatic 250C

  • Page 1 Workshop Manual Drive 2(0) Aquamatic 250...

  • Page 3: Table Of Contents

    Workshop Manual Outboard drive unit AQ250A,B,C,D Index Safety precautions ................General information ................ Repair instructions ................. Part l Descirption ................Part II Removing the outboard drive unit ........Part III Reconditioning the upper gear housing A. Removing ..................B. Adjusting the upper gear ............... C.

  • Page 4: Safety Precautions

    Check that the warning or information decals on This Workshop Manual contains technical data, de- the product are always clearly visible. Replace scriptions and repair instructions for Volvo Penta decals that have been damaged or painted over. products or product versions contained in the con- tents list.
  • Page 5 Always use protective goggles where there is a Store oil and fuel-soaked rags and fuel and oil danger of pieces of metal, sparks from grinding, filters safely. In certain conditions oil-soaked acid or other chemicals being thrown into your rags can spontaneously ignite. Used fuel and oil eyes.
  • Page 6 Components in the electrical system, ignition system (gasoline engines) and fuel system on Volvo Penta products are designed and con- structed to minimize the risk of fire and explo- sion. The engine must not be run in areas...

  • Page 7: General Information

    This Workshop Manual has been developed primarily for Volvo Penta service workshops and qualified per- sonnel. Persons using this book are assumed to have a grounding in marine drive systems and be able to carry out related mechanical and electrical work.

  • Page 8: Repair Instructions

    Take tools developed by us. special care when working on-board, that oil and All procedures for which there are Volvo Penta spe- waste is taken for destruction and is not accidentally cial tools in this Workshop Manual are carried out pumped into the environment with bilge water.
  • Page 9 Tightening using both a torque set- ting and a protractor angle requires In this Volvo Penta Workshop Manual the user will that first the recommended torque find that each section where these agents are applied is applied using a torque wrench...

  • Page 10: Part L Descirption

    Aquamatic 250A is 1.35:1, for the Aquamatic 250B tipped-up or fully lowered positions. When the drive is 1.61:1, for the Aquamatic 250C 1.89:1, and for the being lowered, it is automatically centred independent Aquamatic 250D it is 2.15:1.
  • Page 11 Fig. 1. Cross-section through the Aquamatic 250 1. Steering rod 11. Engaging sleeve 21. Water intake 2. Lift device 12. Control mechanism 22. Retaining pawl 3. Steering yoke 13. Shift fork 23. Bellows for exhaust system 4. Rubber block 14. Vertical drive shaft 24.

  • Page 12: Part Ii Removing The Outboard Drive Unit

    Part II Removing the outboard drive unit 6. Unscrew both the lock screws (28) which retain the IMPORTANT! It is of the greatest importance to pivot pins (27) in the mounting collar. Place a block ensure that the workbench and tools are kept clean under the drive end and knock out the pivot pins and when working on the outboard drive unit to prevent im- lift off the drive unit.

  • Page 13: Adjusting The Upper Gear

    8. Press the bearings (9) from out of the bearing sleeves (25). Use for this purpose tools 884258 and 884265. 9. Loosen the internal hexagon screw (24) in the cen- tre of the input drive and pull off the double bearing box (11) from the universal joint and also lift off the clamp ring (5).
  • Page 14 7. Then press on the bearings (9) and the bearing boxes (25) on the gear (8). NOTE: When compressing, protect the taper so that it is not deformed. 8. Adjust start adjustment with the “Forward” gear. Should the previously removed gears be used, it is important that the “Forward”...

  • Page 15: Fitting

    Dismantling the universal joint 3. Place the upper gear together with its shims in the gear housing. Fit the needle bearings (28) with the 1. Remove the snap rings (80) which hold the needle spacer ring (29) between the bearings and the lower bearings in the yokes.

  • Page 16: Reconditioning The Gear Mechanism

    13. To protect the surfaces against corrosion, smear D. Reconditioning the control mechanism the surfaces between the clamp ring and the gear Removing housing with sealing compound VP sealing compound 1141570-0 before assembling. 1. Strike out the tension pin (57), see Fig. 12, and pull out the pin (56).

  • Page 17: Part Iv Reconditioning The Intermediate Housing

    Part IV Reconditioning the intermediate housing A. Removing 1. Loosen the two screws (32) which hold the hose at- tachment (30) to the yoke. Remove the hose attach- ment and the packing. 2. Remove the yoke by knocking out the guide spindle (24).

  • Page 18: Part V Reconditioning The Lower Gear

    1. Grease the needle bearing (13) with Universal Grease and drive the bearing into the yoke by using tools 884259 and 9991801. Press in both the seal rings (14) with the help of the same tools. NOTE: The seal rings should prevent water from forcing its way in, see Fig.

  • Page 19: Fitting

    12. If the needle bearing (7) for the vertical drive shaft (9) is damaged, it should be removed with the help of tools 884143 and 884281. Place tool 884281 in the outer race from underneath the needle bearing after the needles and needle carrier have been removed by deformation, then press drift 884143 downwards.

  • Page 20: Adjusting The Lower Gear

    Fig. 22 6. Tighten the washer (30) and the nuts (32). 7. Pull in the needle bearing (7) for the vertical drive shaft (9). Use tool 884241. See Fig. 22. Fig. 23 NOTE: The side of the bearing where the bearing des- ignation is stamped must face downwards.
  • Page 21 Fig. 26 2. Measure the width of the axial bearing by placing a number of shims (11) on a flat disc and then locating Fig. 24 the bearing as shown in Fig. 27. The total dimension of the shims is then subtracted from the dimension obtained during the measuring.

  • Page 22: Part Vi Assembling The Outboard Drive Unit

    3. To obtain a clearance of 0.05 mm (0.002") between lock with the lock washer. Mount the vertical drive the intermediate housing and the gear housing, the ax- shaft and its drive together with the nut and lock ial bearing must project 8.0 mm (0.315") above the washer in the gear housing.
  • Page 23 IMPORTANT! It is extremely important that the clips are fitted correctly, otherwise they can damage adjacent hoses as well as hinder the movements of the drive. 7. Push the control cable out through the mounting collar and fit it into the outboard drive. Install the lock- ing plate (39) so that it locks in the cable groove.

  • Page 24: Altering The Propeller Rotation

    12. Check the free travel of the retaining pawl. Press the drive forwards and secure the retaining pawl in this position. Then move the drive backwards and check that the retaining pawl does not hook on the locating pin. 13. Fit the protective cover (12) over the shift mecha- nism, see Fig.

  • Page 25: Part Viii Reconditioning The Lift

    Part VIII Reconditioning the lift Check after reconditioning 1. Remove the protective cover and take off the switch (25, Fig. 34) as well as the bracket with the re- IMPORTANT! After fitting, check that the drive lays (22 or 23). tip-up and retaining pawl mechanism function satis- 2.
  • Page 26 Fig. 34...

  • Page 27: Part Ix Extending The Outboard Drive Unit

    O-ring on the intermediate housing after NOTE: 8" extension may only be used after consulta- having first coated the contact surfaces with VP seal- tion with AB Volvo Penta ing compound 1141570-0. Tighten the bolts and nuts evenly and in diagonally opposite sequence.

  • Page 28: Part X Specifications

    Part X Specifications General description, Aquamatic 250 Type designation ........Aquamatic 250A, Part No. 832501; Aquamatic 250B, Part No. 832502 Aquamatic 250C, Part No. 832503; Aquamatic 250D, Part No 832504. Shift mechanism ........“Silent-Shift”, self-adjusting cone clutch with servo-disengagement. Adjustable for double installation.

  • Page 29: Part Xi Special Tools

    Part XI Special tools 884143 884140 884165 884184 884259 884263 884185 884258 884241 884265 884266 884267 884298 884264 884283 884281 884285 884483 884316 884311 884312 9991801 Pos. Part No. Description 884266 Drift for fitting bearing on vertical drive 884140 Expander for removing bearing race of shaft.
  • Page 30 Fig. 37 Transom...
  • Page 31 Fig. 38 Upper gear housing...
  • Page 32 Fig. 39 Intermediate housing...
  • Page 33 Fig. 40 Lower gear housing...
  • Page 34 Fig. 41 Extensions...
  • Page 35 English or Swedish. From: ....................................................................Refers to publication: ............................Publication no.: ..............Issued: ..............Suggestion/reasons: ..................................................................................................................................................................................................................................................................................................................... Date: ............Name: ............AB Volvo Penta Customer Support Dept. 42200 SE-405 08 Gothenburg Sweden...

This manual is also suitable for:

Aquamatic 250bAquamatic 250aAquamatic 250d

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