Overdrive **'A'type 40A - Triumph TR6 PI Operation Manual

OVERDRIVE 'A' TYPE
Removing
I. Raise vehicle, drain oil from overdrive.
2. Remove two screws securing solenoid to bracket.
3. Withdraw solenoid and plunger.
4. Slacken clamp bolt, withdraw operating fork and
spacer.
5. Remove two nuts on solenoid bracket studs.
6. Progressively unscrew two bolts, with red painted
heads, securing solenoid bracket.
WARNING: To avoid personal injury remove nuts (5)
before bolts (6) to enable the greater length of the
bolts to progressively relieve the tension of the
accumulator spring.
7. Remove solenoid bracket, collect '0' ring from
bracket recess or operating lever cross-rod.
8. Remove non-return valve plug.
9. Withdraw non-return valve spring, plunger and ball.
10. Remove sump filter.
II. Remove hexagon plug and two screws.
12. Fit tool Ll83A I to pump and withdraw pump body,
spring and piston.
OIL PUMP
- Remove and refit
Service tools: Ll83A, Ll83Al, Ll83A2, Ll84
40.18.01
Refitting
13. Fit guide pegs into bottom pump face holes.
14. Assemble plunger, spring and pump body.
15. Insert pump assembly over guide pegs with:
(a) Flat on plunger facing to the rear.
(b)
Hole in pump body flange adjacent to hole in
casing.
16. Drift pump into position. Tool L 184.
17. Remove guide pegs, fit two screws and hexagon plug.
18. Fit sealing washers, magnetic washers and filter to
drain plug.
19. Fit and tighten drain plug.
20. Fit drain plug guard.
21. Fit non-return valve ball on seat and tap with copper
drift to seat ball.
22. Fit valve components' ball, plunger and spring.
23. Fit plug and sealing washer.
24. Check that accumulator spring and shims (where
fitted) are in position.
25. Fit '0' ring to solenoid bracket recess.
26. Fit solenoid bracket and gasket.
27. Fit and evenly tighten the two red-headed screws.
28. Fit and tighten two nuts.
29. Fit spacer and solenoid operating lever.
30; Fit solenoid, inserting plunger in yoke of operating
lever.
31. Fit and tighten
tw~
solenoid retaining screws.
32. Test and adjust solenoid. 40.22.01.
33. Top up gearbox and overdrive oil level, run vehicle
and re-check oil level.
~
1 8 - - 8 2 \
/9
e
, 40.18.0IA
23
NT 2 752
Triumph TR6 Manual. Part No. 545277 Issue I