| AGCO Allis 1700 Series Tractor engine problem troubleshooting guide.This section of the manual provides troubleshooting and repair instructions for the more common and easily corrected problems. For other problems.Locate the problem that best
describes the trouble that you have encountered. Check the possible causes one at a time, in the order that they are listed.
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Engine will not turnover or start.
1. Ground speed control lever not in neutral-start position.Shift into neutral.
2.PTO (electric clutch) switch in ONposition. Place in OFF position.
3.Out of fuel. If engine is hot, allow it to cool, then refill the fuel tank.
4. Engine flooded. Push choke knob in (twin cylinder models) or move throttle control out of CHOKE position (single cylinder models).
5.Circuit breaker tripped. Wait one minute for automatic reset. Replace if defective (see your dealer).
6. Battery terminals require cleaning. See Normal Care section.
7. Battery discharged or dead. Recharge or replace.
8. Wiring loose or broken. Visually check wiring & replace broken or frayed wires. Tighten loose connections.
9.Solenoid or starter motor faulty. Repair or replace.
10. Safety interlock switch or module faulty. Replace if needed (see your dealer.)
11. Spark plug(s) faulty, fouled or incorrectly gapped. Clean and gap or replace. See engine manual.
12. Water in fuel. Drain fuel & refill with fresh fuel.
13. Old stale gas. Drain fuel & replace with fresh fuel.
14. Foot pedal not depressed.
Engine starts hard or runs poorly.
1.Fuel mixture too rich. Clean air filter. Check choke adjustment (engine speed control).
2. Carburetor adjusted incorrectly. See engine manual.
3.Spark plug(s) faulty, fouled, or incorrectly gapped.
Clean and gap or replace. See engine manual.
Engine knocks
1. Low oil level. Check/add oil as required.
2. Using wrong grade oil. See engine manual.
Excessive oil consumption
1. Engine running too hot. See Low Engine Output.
2. Using wrong weight oil. See engine manual.
3. Too much oil in crankcase. Drain excessive oil.
Engine exhaust is black
1.Dirty air filter. Clean air filter. See engine manual.
2.Check engine speed control adjustment (choke).
See engine manual.
Low Engine Output/Engine Overheats
1.Clogged air cleaner. Clean air cleaner. See engine manual.
2.Clogged cooling system. Consult your dealer.
3.Loose or slipping fan belt.Consult your dealer.
4. Insufficient engine oil. Replenish or change oil.
5. Poor ventilation around engine. Check to see that all hood vents and the top of the radiator to make sure that they are free of grass clippings and debris.
6. Lack of coolant.Check and add coolant to the cor- rect level.
7. Too much oil in crankcase.Drain out excess oil.
Engine runs, but tractor will not drive.
1. Ground speed contro! lever in neutral. Shift in forward or reverse.
2. Transmission release lever in “push” position. Move into drive position.
3.Belt is broken. See Drive Belt Replacement.
4. Drive belt slips. See problem and cause below.
5. Brake is not fully released. See Brake Adjustment.
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