Rotax C drive, Rotax C gear box drive,
Rotax C gear box reduction drive.
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1895 10th line east of Hwy 11
Bradford Ontario
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Rotax C gear box reduction
drive.
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# |
Part # |
Description |
Qty Req. |
|
Rotax C gear box |
|
|
|
1 |
958 980 |
Fly wheel |
1 |
|
2 |
827 785 |
Washer 13/34/5 |
1 |
|
3 |
841 651 |
Hex screw 1/2-20UNF, 8ONM
|
1 |
|
4 |
958 971 |
Coupling flange |
1 |
|
5 |
842 660 |
Nut, M8 |
1 |
|
6 |
958 961 |
Rubber coupling |
1 |
|
7 |
944 120 |
Washer 6 |
6 |
|
8 |
841 820 |
Allens screw M1Ox45, 40NM
|
6 |
|
9 |
810 011 |
Gear box housing |
1 |
|
10 |
930 675 |
Oil seal 25x38x7
|
1 |
|
11 |
232 285 |
Roller bearing,
26.5-47-14 |
1 |
|
12 |
945 690 |
Retaining ring,
4 7x1. 75 |
1 |
|
13 |
950 085 m |
Oil seal 32x47x7 |
1 |
|
14 |
932 820 |
Ball bearing 6305C3/25-62-17
|
1 |
|
15 |
440 366 |
Collar hex screw M8x90,24NM
|
8 |
|
16 |
427 021 |
Shim 26.5/34/.2 |
As Rqd |
|
17 |
886 211 |
Gear set, 2.62:1, 55T/21T
|
1 |
|
886 213 |
Gear set, 3:1,
57T,19T |
1 |
|
886 215 |
Gear set, 3.47:1,
59T/17T |
1 |
|
886 217 |
Gear set, 4:1 ,
60T, 15T |
1 |
|
18 |
845 310 |
Lock washer VHZ8 |
1 |
|
19 |
841 590 |
Allen screw Max 35, 24NM
|
1 |
|
20 |
929 940 |
Pin 8x202 |
1 |
|
21 |
950 211 |
Gasket |
|
|
22 |
810 021 |
Gear cover |
1 |
|
23 |
932 420 |
Ball bearing 6205C3,25-52-15
|
2 |
|
24 |
930 715 |
Oil seal, 35x47x7 |
1 |
|
25 |
944 110 |
Distance ring 31/44/4.5
|
1 |
|
26 |
932 570 |
Ball bearing 6306C3,30- 72-19
|
1 |
|
27 |
944 106 |
Shim |
1 |
|
28 |
445 330 |
Lock washer VHZ6 |
4 |
|
29 |
241 236 |
Allen screw M6x16 |
6 |
|
30 |
837 183 |
Prop shaft |
1 |
|
31 |
847 755 |
Split cone sleeve, 7.5
|
1 |
|
32 |
926 200 |
Massive washer 30 1 |
|
|
33 |
842 575 |
Hex nut M30x1.5, 12MM LEFT HAND!!
300NM |
1 |
|
34 |
945 751 |
Lock washer A6 |
11 |
|
35 |
840 880 |
Allen screw M6x30 |
11 |
|
36 |
552 280 |
Gasket ring 18.2/24/1
|
1 |
|
37 |
840 270 |
Magnetic plug M18x1.5, 24NM
|
1 |
|
38 |
830 890 |
Gasket ring 6.2/8.9/1 |
2 |
|
39 |
841 781 |
Capstan screw M6x10, 10NM
|
2 |
|
40 |
941 115 |
Air vent screw M8x1.5, metal
|
1 |
|
41 |
931 200 |
Gasket ring 18.2/22/2
|
1 |
|
42 |
SW032 |
Safety wire, .032 stainless
|
As Rqd |
|
43 |
944 140 |
Cover washer |
1 |
|
 |
Installing
the Rotax "C" Gear Box - Gear Drive
1. Clean and degrease the
crankshaft end and mounting holes on the crankcase before
starting.
2. Using the Rotax fixation
tool (876 640) supplied in the Rotax tool kit lock the engine up
by installing the pin into the impulse hole, used to run the
fuel pump. With the pin in place rotate the engine, until it
locks.
3. Install flywheel onto
crankshaft end. Install flat washer onto bolt install bolt..
Torque to 45 FOOT lbs.
4. Install allen screws
with washers into hardee disc. Install Hardee disk onto
crankshaft as shown. Use loctite 242 on bolt threads. Toque to
30 FOOT lbs. While torqueing use a 17 mm wrench to prevent
special flat sided washers from turning.
5. If Hardee disc is banded
remove band..
6. Install back half of
gear box housing onto engine with the 8 bolts provided. Apply
loctite 242 to bolt threads before installing. Torque to 195
INCH lbs.
7. Install #16 shims onto
the pinion shaft.
8. Install anti-seize
compound onto pinion shaft, and install #4 coupling flange.
Torque allen bolt located in the center of the flange to 195
INCH lbs.
9. Install gasket (#21) -
install front gear box housing and prop shaft onto rear housing.
Torque all 6 mm fasteners in an X pattern to 95 INCH lbs.
10. Remove fixation tool
from impulse hole.
11. Fill gear box with 90
weight oil until oil runs out the lower of the two side plugs
(about 4 ounces).
12. Tighten then safety
wire top and bottom plugs.
13. Tighten then safety
wire vent cap and drain plug.
For the Rotax "C" drive gear box, lubrication oil level is
very critical. When servicing, fill slowly to the lower of
the two screw holes on the side of the case (#39), and then
replace the screw and washer, and safety wire the two oil
level screws.
On new gear boxes, change oil after the first 10 hours of
operation and then every 100 hours after that.
Rotax redrive gears must always be replaced together, this
is because of the gears have worn together as a unit and
replacing one would only result in premature wearing of the
both gears.
The two large holes on the side of the Rotax "C" drive gear
box, (where you can look in and see the rubber coupler) are
for cooling of the rubber shock mount, inside the drive
system and must be left open.
If there is evidence of gear oil on the bottom of the gear
box where it meets the crankcase, or in the two holes
referred to above this could indicate a failed seal (#13)
inside the gear box. |
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1
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4 5
6
7
8
9 10
11 12
Index for this section. |
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