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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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ukdave2002
Joined: 23 Nov 2007 Posts: 4105 Location: South Cheshire
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Posted: Fri Mar 13, 2015 2:10 pm Post subject: |
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Hi Roger
This is a Morris 8 4 speed gearbox that I rebuilt:
Look the same to me
Dave |
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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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Posted: Fri Mar 13, 2015 2:37 pm Post subject: |
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Thanks Dave
Yes I agree the same,
Always thought Morris part had MOWOG on them that is what made me ask.
Be the first gearbox I'll have stripped and rebuilt, looking forward to the challenge.
Any hidden surprises to watch out for, I have some scans from a few Morris workshop manuals.
again thanks
Roger |
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ukdave2002
Joined: 23 Nov 2007 Posts: 4105 Location: South Cheshire
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Posted: Fri Mar 13, 2015 3:17 pm Post subject: |
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Hi Roger
They are pretty straight forward lumps to overhaul ! things to look out for:
To dismantle the box the lay gear has to be dropped by completely removing the layshaft, otherwise the mainshaft can't be removed, reverse for re assembly.
The layshafts are often badly worn, but can be replaced by purchasing some 5/8" ground steel shafting and drilling oilways preferably in a lathe but could be done in a drill press.
If you use a sealed bearing in the rear its aids oil retention ( the rear original has a scroll and felt washer)
A lip seal can be fitted to the input shaft with a little bit of machining to the front cover, again originally there is only a scroll.
finally here is a list of the bearings, all are available from any of the on line bearing suppliers:
Input shaft drive gear, Morris part number ;X15625 :
LJ1NR Imperial Open Snap Ring Type Open Deep Groove Ball Bearing 1x2-1/4x5/8 inch Also known asRLS8NR
Main shaft front, Morris Part number; X15625:
LJ1NR Imperial Open Snap Ring Type Open Deep Groove Ball Bearing 1x2-1/4x5/8 inch Also known asRLS8NR
Main shaft rear, Morris part number; QA11033:
6205, Metal Shielded Deep Groove Ball Bearing 25x52x15mm consider replacing with 62052RS for better oil sealing.
Layshaft bush (x2) Morris part number X15523:
AI1012-20 Oil Filled Bronze Plain Bush 5/8x3/4x1-1/4 inch
Clutch pivot shaft (x2) Morris part number X19325:
AI1012-16 Oil Filled Bronze Plain Bush 5/8x3/4x1 inch
Input shaft spigot bush, Morris part number X15075:
AI0810-16 Oil Filled Bronze Plain Bush 1/2x5/8x1 inch
Reverse gear bush, Morris part number X17342. Originally a single bush, now difficult to source so substitute 2 shorter bushes:
AI1012-16 Oil Filled Bronze Plain Bush 5/8x3/4x1 inch
Shout if you need any help!
Cheers
Dave |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22449 Location: UK
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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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Posted: Fri Mar 13, 2015 3:50 pm Post subject: |
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Thanks for that Dave
Copy and pasted to my DLM files.
Rick
As you say now we know the ID. in here will be easier to find, and handy for others as well. |
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bjacko
Joined: 28 Oct 2013 Posts: 362 Location: Melbourne Australia
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Posted: Sat Mar 14, 2015 3:10 am Post subject: Morris 8 Gerabox |
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Do not forget that the gearbox threads are METRIC. |
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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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Posted: Sat Mar 14, 2015 10:16 am Post subject: |
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Thanks for that as well BJ
Will have to mark the stud and bolt sizes on a copy of my handbook scans. |
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bjacko
Joined: 28 Oct 2013 Posts: 362 Location: Melbourne Australia
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Posted: Thu Mar 19, 2015 4:54 am Post subject: |
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Fig 3 DESCRIPTION PART No QTY NOTES
GEARBOX ASSEMBLY SA1516/8 1
1 Gearbox casing assembly SA1514/3 1
Bush, clutch shaft X19325 2
2 Drain plug CA1215 1
3 Washer for drain plug CA1216 1
Circlip for 2 X15868 1
4 Oil level indicator (dipstick) X15017 1
5 Bolt 8mm x 1mm.p x 22.5mm casing to sump CA1258 3 Up to Eng 63832
5 Bolt 8mm x 1mm.p x ? casing to sump JA5052 3 Eng 63833 on
Bolt 8mm x 1mm.p x 22.5mm casing to block CA1258 4
6 Main shaft with bush SA1531/2 1
7 Bearing for main shaft front X15625 1
8 Plate for bearing X15518 1
9 Guard for bearing X15624 1
10 Circlip for bearing X15517 1
11 Circlip for main shaft X15120 1
12 Sliding hub first and second X15493 1
13 Spring for 12 X15669 6
14 Ball for 12 X15173 6
15 Sliding hub and cone top and third SA1503/1 1
16 Spring for 15 X15127 6
17 Ball for 15 X15173 6
18 Striking dog X15124 1
19 First speed gear X15660 1
20 Second speed gear with cone SA1543 1
21 Third speed gear X15490 1
22 Plunger MA3756 2
23 Spring for 22 MA3757 2
24 Thrust washer X15178 2
25 Distance piece X15522 1
26 Universal joint flange X15545 1
27 Nut for 26 X17356 1
28 Washer for 26 QA11200 1
29 Layshaft X15523 1
30 Bus X15132 2
31 Gear unit with bushes (item 30) SA1517/1 1
32 Thrust washer front X15524 1
33 Thrust washer rear X15525 1
34 Screw for Layshaft X15135 1
35 Plug X15188 2
36 Drive gear assy incl item 42 SA1521/1 1
37 Bearing for drive gear X15625 1
38 Guard for bearing X15119 1
39 Circlip for bearing X15517 1
40 Tab washer for 37 X15182 1
41 Nut for 37 X15181 1
42 Spigot bush X15075 1
43 Oil seal cover X15513 1
44 Gasket for 43 X15514 1
45 Bolt for 43 X15175 3
46 Washer for 45 X15273 3
47 Reverse gear incl. bush item 48 SA1515/1 1
48 Bush X17342 1
49 Shaft for reverse gear X15527 1
50 Screw for 49 X17346 1
51 Plug for 49 LA7395 1
52 1st & 2nd gear shifter X15531 1
53 Shaft X15666 1
54 Screw for 53 MA3641 2
55 Stop for 2nd speed gear X22851 1
56 Ball CA1279 1
57 Spring for 56 X15668 1
58 3rd & 4th gear shifter X15529 1
59 Shaft SA1545/1 1
60 Screw for 59 MA3641 2
61 Ball CA1279 1
62 Spring for 61 X15668 1
63 Selector top & 3rd X15634 1
64 Selector reverse gear X15533 1
65 Shaft X15667 1
66 Screw for 65 MA3641 2
67 Steady for 65 X22850 1
68 Plunger X17186 1
69 Spring for 68 MA3645 1
70 Ball for 68 CA1279 1
71 Spring for 70 MA3643 1
72 Ball for shaft CA1279 1
73 Spring for 72 X15668 1
74 Shift lever reverse gear X15536 1
75 Pin X17350 1
76 Nut for 75 JA5088 1
77 Washer for 75 X15176 1
78 Pin – centre X15535 1
79 Pin – bottom X15537 1
80 Interlock ball for 3rd & 4th shaft CA1279 2
81 Pin MA3648 1
Rivet for pin MA3649 1
Hole plug MA3650 1
82 Top cover for gearbox X15538 1
Rubber cover 84188 1
Screw g/box cover 1/2" for two door 69469 2
Screw g/box cover 1/4" for four door 68470 2
Screw g/box cover to body 5/8" 68472 1
83 Gasket top cover to casing X15539 1
84 Stud 8mm x 1mm.p x 32mm for top cover CB1717 4
85 Nut 8mm x 1mm.p for 84 CA1126 4
86 Filler plug with baffle SA1340 1
87 Washer for 86 CA1216 1
88 Change speed lever (gearstick) SA1532/4 1
89 Knob for 88 QA11672 1
90 Lock nut for 89 X31214 1
91 Felt washer X22672 1
92 Retainer for 91 X22673 1
93 Screw for 92 X22674 1
94 Support spring X22676 1
95 Snug X22852 2
Washer X22781 1
96 Speedometer casing Incorp. rear plate X15540 1
97 Gasket X15541 1
98 Stud 8mm x 1mm.p x ? for 96 long X15542 2
Stud 8mm x 1mm.p x ? for 96 medium X20167 1
99 Stud 8mm x 1mm.p x ? for 96 short CB1717 3
100 Nut 8mm x 1mm.p for studs CA1126 4
101 Bearing for main shaft rear QA11033 1
102 Guard for bearing X15119 1
103 Felt washer X19147 1
104 Gear speedometer drive X15543 1
105 Pinion speedometer drive X15544 1
106 Bearing for 105 X25313 1
107 Screw for bearing CB1979 2
Lock wire for screws CB1980 1
108 Rear Engine mounting rubber 84637 2
109 Nut mounting rubber to engine EZ510 2
110 Bolt 3/8" BSF x ? to speedometer casing 66841 2 Up to Eng 63832
110 Bolt 3/8" BSF x ? to speedometer casing 4993 2 Eng 63833 on
Shakeproof washer 3/8" 55459 4
Nut 5/16 BSF to crossmember EZ504 4
Plain washer 5/16" to crossmember 95272 4
Spring washer 5/16" to crossmember EZ528 4
I tried to put the picture in as well but it will not let me. |
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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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Posted: Thu Mar 19, 2015 10:51 am Post subject: |
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Thanks again BJ
Another copy and pasted added to my DLM HDD.
I have an exploded gearbox image from the hand book and it seems to be the same, numbers and parts match to your list. |
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Roger-hatchy
Joined: 07 Dec 2007 Posts: 2135 Location: Tiptree, Essex
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Posted: Thu Mar 19, 2015 10:57 am Post subject: |
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Just had a senior moment
Looking down the list and saw g/box,
what the B H has glove box got to do with hahahaha
I blame the medication |
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