Yanmar SD40/SD40-4T, SD50/SD50-4T Sail Drive Unit Marine Diesel Engine Reapir Service Manual

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This Workshop Service Repair manual PDF download for the SD40-3, SD50-3, SD40-4, SD50-4, SD40-4T, SD50-4T Sail Drive Unit Yanmar Marine Diesel Engine has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.


APPLICABLE MODELS :

Yanmar Marine Diesel Engine

Sail Drive Unit SD40-3
Sail Drive Unit SD50-3
Sail Drive Unit SD40-4
Sail Drive Unit SD50-4
Sail Drive Unit SD40-4T
Sail Drive Unit SD50-4T

3JH5E-SD : Yanmar Saildrive Engine 39hp/29.4kW - 5595
4JH5E-SD : Yanmar Saildrive Engine 54hp/40.5kW - 5595
4JH4HTE-SD : Yanmar Saildrive Engine 75hp/55kW - 5595


TABLE OF CONTENTS :

1 General
2 Disassembly
3 Reassembly
4 Shim adjustment (Gear backlash adjustment)
5 Adjustment of bearing assembly gap
6 Adjustment of the gear backlash
7 Adjustment of the gear dye pattern
8 Adjustment of the shift lever
9 Tightening torque for nuts and bolts


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : M2215-04E140
Total Pages : 69


This Service / Repair / Workshop Manual PDF Download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail!, You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

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Cover
History of Correction
CONTENTS
FOR SAFETY
1 General
1.1 Specifications
1.2 Exterior view
1.3 Sectional view
1.4 Criteria for replacing parts
1.5 Route of cooling water and lubricating oil
1.6 Lubricating oil
1.7 Disassembly and reassembly
1.8 Special tools
1.9 Notes on disassembly, inspection and reassembly
2 Disassembly
2.1 Disassembling the upper case
2.1.1 Removal of the unit
2.1.2 Disassembling the unit
2.2 Disassembling the lower case
2.2.1 Removal of unit
3 Reassembly
3.1 Reassembling the bearing for lower case
3.1.1 Needle bearing
3.1.2 Taper roller bearing outer race
3.2 Reassembling the bearings of shaft
3.2.1 Propeller shaft
3.2.2 Drive shaft
4 Shim adjustment (Gear backlash adjustment)
4.1 Location of adjustment shims
4.2 Measurement of the dimensions of the cases
4.2.1 Upper case
4.2.2 Lower case
4.3 Shim selection method for the clutch shaft
4.3.1 Measurement of the dimensions (L1, L2, L3) of the gear
4.3.2 Calculation of the shim thickness
4.4 Shim selection method for the pinion shaft
4.4.1 Measurement of the pinion dimensions
4.4.2 Calculation of the shim thickness
4.5 Shim selection method for the drive shaft
4.5.1 Measurement of the dimensions (M1) of the pinion
4.5.2 Calculation of the shim thickness
4.6 Shim selection method for the propeller shaft
4.6.1 Measurement of the dimensions (M3) of the gear
4.6.2 Calculation of the shim thickness
5 Adjustment of bearing assembly gap
5.1 Upper gear bearing
5.1.1 Measurement of the dimension (L6) of the bearing
5.1.2 Calculation of the shim thickness
5.2 Pinion shaft bearing
5.2.1 Measurement of the dimension (L4) of the bearing
5.2.2 Calculation of the shim thickness
5.3 Pinion drive shaft bearing
5.3.1 Measurement of the dimension (M2) of the bearing
5.3.2 Calculation of the shim thickness
5.4 Propeller shaft bearing
5.4.1 Measurement of the dimension (M4) of the bearing
5.4.2 Calculation of the shim thickness
6 Adjustment of the gear backlash
6.1 Upper gear
6.2 Lower gear
7 Adjustment of the gear dye pattern
7.1 Upper gear
7.2 Propeller shaft
8 Adjustment of the shift lever
8.1 Measurement of the dimensions (H, A)
8.1.1 Shift Lever bolt
8.1.2 Shifter pin position
8.2 Calculation of the shim thickness
8.3 Caution of reassembly
9 Tightening torque for nuts and bolts
Colophon
Back cover

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