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IMCO SCX SERIES INFORMATION, OPERATION & MAINTENANCE

 

1.

 

SCX & SCX4 Drives will not fit on a standard gimbal helmet, IMCO HELMET:

 

 #05

-

8025 Black or #05

-

8027 Silver or #05

-

8028 ITS Black is required.

 

 

2.

 

Maximum

 engine idle speed is 800 RPM. Shift drive with a positive move, do not let clutch 

sit between neutral and in gear position.

 

 

3.  

Do Not! 

Install propeller until the drive shift linkage has been properly installed and tested 

with the engine running!

 

 

4.

 

When using SCX or SCX4 drives it is necessary to have full hydraulic steering for your 

safety.

 

 

5.

 

When tuning engine remove propeller and shift drive into forward gear!

 

 

 

6. Do not run your boat with a worn or loose gimbal ring or helmet, worn clevis pins, or clevis bushings.

 

 

7. Every hull is different and requires a different setup: Many different things contribute to performance: 

water pickup location, cavitation plates, gear ratio, drive height, prop, weight distribution, water conditions, 

weather conditions.

 

 

8. If you are installing the drive on a new application, consult the manufacturer or a dealer with experience 

with the hull to determine the proper drive height.

 

 

9.

 

SCX Drive is 19 

7/8” 

from crankshaft center line to prop shaft center line 

(2” 

shorter than standard 

 

Bravo).

 

 

10.

 

The bolt pattern is different from the SCX to the SCX4, lowers cannot be interchanged.

 

 

11. Max propeller diameter on the SCX is 16 

3/4”, 

SCX4 is 

17” 

(always check that there is at 

least 

1/2” 

clearance between the propeller blades and the drive case).

 

 

12.

 

Large diameter propellers installed on a #6 prop shaft will require a torque tab on single engine boats.

 

 

13. SCX and SCX 4 drives require a drive oil reservoir with a minimum capacity of 1 1/2 quarts.

 

 

14.

 

When installing drive to gimbal or lower to upper always use anti

-

seize on all threads.

 

 

15. When installing lower to upper, inspect all 

O

” 

rings, replace as necessary, pressure check to insure 

proper seal.

 

 

16.

 

If you do your own maintenance and repairs on your IMCO drive, you will need a service manual and

 

the proper tools.. Service manuals and tools are available  at www.imcomarine.com/cal_store.

 

 

 

 

17. Always wear proper safety equipment when operating your boat, testing or running at high speeds.

 

 

18. Inspect for: oil level in drive and reservoir, leaks, loose fasteners, worn parts.

 

 

Recommended oil: Torco RTF GL

-

6 Torco Part #A220015CE (unit) Part # S220015C (case) IMCO Part # 

09

-

2600 (unit) Part # 09

-

2605 (5 Gal.) Part # 09

-

2610 (case) (100% Synthetic Racing Transmission Fluid)

Replaces SAE 75W90.

 

Warning!

 

Warning!

 

Warning!

 

Danger!

 

Warning!

 

Warning!

 

Before Running!

 

Содержание Xtreme Advantage SCX

Страница 1: ...nter line to prop shaft center line 2 shorter than standard Bravo 10 The bolt pattern is different from the SCX to the SCX4 lowers cannot be interchanged 11 Max propeller diameter on the SCX is 16 3 4...

Страница 2: ...lades can be very sharp 23 SCX Upper vertical shaft is 17 tooth spline SC Merc lowers are 15 tooth spline A 17 15 tooth coupler is available 01 2150 cannot be used with a spacer 24 Use extreme caution...

Страница 3: ...XSCX dd XTREME ADVANTAGE Parts and Service Manual IMCO 510 East Arrow Highway San Dimas CA 91773 800 899 8058 909 592 6162 Fax 909 592 6052 www imcomarine com email info imcomarine com...

Страница 4: ...Backlash Assembly Diagram 10 Lower Gear Case Disassembly 11 Lower Gear Case Drawing 12 Lower Gear Case Parts List 13 Lower Gear Case Assembly 14 Lower Pinion Height Measurements 15 Disassembly Assembl...

Страница 5: ...shaft screws 2 27 7 Remove shift shaft plug 1 9 shift shaft 2 26 yoke cam 2 28 8 Remove pinion hub screws 1 22 23 9 Remove pinion hub assembly 2 31 45 10 Disassemble pinion hub assembly 11 Remove yok...

Страница 6: ...Page 2 Upper Case Hardware Seals Fig 1...

Страница 7: ...r Nut 1 11 2154 21 Pinion Hub 5 16 Copper Sealing Washers 10 08 120700004 22 Screw 5 16 18 x 1 Socket Cap 4 08 060705082 23 Screw 5 16 18 x 1 1 2 Socket Cap 6 08 060705102 24 Screw 3 8 16 x 3 4 HH 2 0...

Страница 8: ...Upper Case Gear Components Fig 2 Page 4...

Страница 9: ...573 22 SCX Shift Arm 1 01 1578 23 Cotter Key 1 08 150200141 24 SCX Shift Link 1 01 1577 25 Shift Shaft Bushing 1 10 7018 26 SCX Shift Shaft 1 01 3559 27 Screw 1 4 28 x 3 4 Socket Cap 2 08 060602062 28...

Страница 10: ...is determined Check upper clutch gear by placing gear in lower position with lower thrust race and backlash tower This will insure backlash is 007 010 is correct on upper gear 11 Assemble drive shaft...

Страница 11: ...screws 2 27 to 100 in lbs Use Loctite 262 on screws 24 Install quad ring 1 10 steering cap 1 2 including detent kit 1 31 insure O rings 1 29 1 30 are in place 25 Torque steering cap screws to 35 ft lb...

Страница 12: ...Page 8 Page 8 SCX Setup Diagrams Fig 3...

Страница 13: ...to Lower Thrust Seat Total H Norm 2 876 Bearing Thickness 0 157 Mounting Distance 2 661 Race Thickness J Norm 0 060 GEAR MEASURMENTS Gear One Measurement K1 Norm 2 091 Less Parallel 1 000 Gear Depth...

Страница 14: ...Backlash Assembly Fig 5 Page 10...

Страница 15: ...ith the prop shaft Remove the rear gear shim 7 23 from prop shaft 9 Remove Flange nuts 7 27 from both pinion gears Remove rear pinion gear 7 21 10 Bend both vertical shaft tab washers 7 10 away from t...

Страница 16: ...Lower Gear Case Fig 6 Page 12...

Страница 17: ...0 O Ring Water Passage 2 1 11 2126 11 O Ring Lower Stud 2 11 4025 12 Drain Screw Sealing Washer 1 11 1017 13 O Ring Bearing Carrier 1 11 2344 14 Alignment Spacer 1 01 2401 15 Stud 7 16 x 2 S S Spacer...

Страница 18: ...Lower Case Gear Fig 7 Page 14...

Страница 19: ...Kit 01 9037 17 Vertical Shaft Race 2 10 6005 18 Shim Prop Gear Kit 01 2014 19 Cup Prop Gear 1 10 2007 20 Cone Prop Gear 1 10 1008 21 Prop Pinion Gear 1 50 Set 01 8240 21 A Prop Pinion Gear 1 34 Set 01...

Страница 20: ...Page 16 Lower Pinion Height Measurements Fig 8...

Страница 21: ...nd 01 8248 gear sets must be installed into the prop gear at this time 14 Re install the vertical shaft components described above torque pinion flange nut 7 27 to 150 ft lbs 15 Install rear prop gear...

Страница 22: ...bearing carrier Spline Seat Running Load Fig 9 41 Use prop shaft wrench to lock prop shaft 42 Use torque wrench to seat gear to splines on all shafts 300 ft lbs Note Right hand rotation on front vert...

Страница 23: ...Spline Seat Fig 9 Page 19...

Страница 24: ...Running Load Page 20...

Страница 25: ...01 5583 6 Pinion Bearing Cup Installer Front 01 5580 7 Pinion Bearing Cup Installer Back 01 5592 8 Bearing Race Installer Cap 01 5581 9 Bearing Race Installer Tower 01 5582 10 Backlash Tool Kit 01 80...

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