Aug 04, 2011  The manual is highly detailed with photos and illustrations to help guide you through every repair and troubleshooting procedure. This manual contains all you need to know to keep your John Deere LX172, LX173, LX176, LX178, LX186 & LX188 Lawn Tractor working right and is the only service repair manual you will need.

Installing

Park Vehicle Safely

John Deere LX172 Lawn and Garden Tractor Service Manual John Deere LX172 Lawn and Garden Tractor Technical Manual TM1492 660 Pages in.pdf format 41.0 MB in.zip format for super fast downloads! This factory John Deere Service Manual Download will give you complete step-by-step information on repair, servicing, and preventative maintenance for your John. May 01, 1996  Technical manual contains full technical information on repair, technical service manuals, special fitting instructions, electrical and hydraulic circuits, pictures and schematics for lawn tractors John Deere LX172, LX173, LX176, LX178, LX186, LX188.

· Stop vehicle on a level surface, not on a slope.

· Move vehicle in alignment with snowthrower.

· STOP the engine.

· Engage the park brake.

· Remove the key.

· Before you leave the operator's seat, wait for engine and all moving parts to STOP.

Install Front Brackets (On Tractors WITHOUT D-Shaped Hole in Front Brackets of Tractor Frame Only and Model LX277-AWS)

NOTE: For LX172, LX173, LX176, LX178, LX186, and LX188: Use Brackets and bolts provided in Mounting Kit, BM19407.

For GT242, GT262, GT275 and LX277-AWS: Order brackets and bolts from your John Deere Dealer.

1. Install two brackets to the front of tractor frame.

M92956

Picture Note: Model LX172 shown for photo purposes.

· Mount brackets on Models LX172, LX173, LX176, LX186, GT242, GT262, GT275 and LX277-AWS:

a.) The RIGHT SIDE bracket (A) should be mounted on the INSIDE as shown.

b.) The LEFT SIDE bracket (B) should be mounted on the OUTSIDE as shown.

· Mount brackets on Models LX178 and LX188:

a.) The RIGHT SIDE bracket (A) should be mounted on the OUTSIDE.

b.) The LEFT SIDE bracket (B) should be mounted on the INSIDE.

NOTE: On LX172-LX188: Bolts (C) will be Hex Flange. On GT242, GT262, GT275 and LX277-AWS: Bolts (C) will be Hex.

M92956

Picture Note: Model LX172 shown for photo purposes.

2. Fasten each bracket with two M12x30 bolts (C) and two M12 hex flange lock nuts (D). On all models except LX277AWS: Bolt heads should be on the INSIDE.

3. Move brackets so that bottom is level with tractor frame. TIGHTEN nuts.

NOTE: Hex flange bolt heads or nuts on bottom also act as upstop for snowthrower frame.

Install Manual Lift Kit

M92944

1. Slide left side of front lift shaft (A) and then right side into 'D' shaped holes of front tractor brackets (B).

2. Slide 'D' shaped bearings (C) onto each end of front lift shaft.

3. Secure right side with large spring locking pin (D).

M92945

4. Install welded lift arm (E) onto left side of front lift shaft. Fasten with drilled pin (F) and small spring locking pin (G).

Install Lift Rod

M92189

1. Slide one M10 washer (A) on end of welded lift arm (B).

M92959

2. Install lift rod (C) on welded lift arm.

3. Slide second M10 washer (D) on welded lift arm and fasten with small spring locking pin (E).

M92947

4. Attach lift rod yoke (F) to first hole of J-Bracket (G) with drilled pin (H) and secure with small spring locking pin (I).

Installing Snowthrower

1. Align tractor with snowthrower frame.

2. On Models LX172, LX173, LX176, LX178, LX186 and LX188: Drive tractor onto 2x4 pieces of wood to raise front of tractor enough to slide snowthrower under front axle.

3. STOP engine and LOCK park brake.

M72203

4. Pull lift lever (A) all the way back to raise front lift shaft.

NOTE: On LX172, LX173, LX176, LX178, LX186, and LX188, follow steps 5 through 9.

M74468

5. Pivot each cam (B) rearward to OPEN position.

6. Push handle (C) forward.

7. Slide snowthrower frame under tractor.

8. Align V-brackets on pivot pins.

M62477

9. Pivot each cam (D) up and over pivot pin until it LOCKS.

NOTE: On ALL GT Series Tractors and ALL LX Series, Except LX172, LX173, LX176, LX178, LX186, and LX188, follow steps 10 through 14.

10. Remove drilled pin from C-shaped latch in frame and let latch swing open.

11. Slide snowthrower frame under tractor.

M63822

12. On GT242, GT262 and GT275: Remove spring locking pin (E) and C-shaped latch (F), from RIGHT side only, to allow easy installation of snowthrower frame.

NOTE: Use two extra washers from Bag of Parts if C-shaped latch (F) does not pivot freely when frame is pulled to one side.

13. Attach both sides of rear snowthrower frame to draft arm pivot bolts using C-shaped latch (F). Make sure latch pivots freely.

· On GT242, GT262 and GT275: Reinstall C-shaped latch (F) and spring locking pin (E) to right side.

14. Install drilled pin (G) through hole in latch and snowthrower frame. Fasten with spring locking pin.

NOTE: On ALL Models, continue with steps 15 through 24.

M63822

15. Pivot belt tightener lever (H) to the rear to LOOSEN belt.

M63823

16. Install belt on tractor drive sheave (I).

17. Pivot tightening lever (H) forward and lock under snowthrower frame to tighten belt.

18. Check belt tension. (See Service section.)

19. Push lift lever all the way forward to lower front lift shaft.

M63824

20. Fasten sway bar (J) to sway bar bracket with large spring locking pin (K).

21. Fasten two yokes (L) to front lift shaft with drilled pin and small spring locking pin.

M63826

22. Install slotted end of chute and spout control bracket (M) over drilled pin (N) and fasten bracket to J-bracket with drilled pin and small spring locking pin (O).

NOTE: If snowthrower cannot be locked in the UP position, decrease snowthrower lift height. (See Adjusting Lift Height in the Operating section.)

23. Pull lift lever all the way back and lock snowthrower in the RAISED position.

M92987

24. Move wheels to the storage position and secure with spring locking pins (P).

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