Snapper WMR216017B, Safety Instructions & Operator'S Manual, Page: 21 / 32

21
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Engine Will Not Start 1. Fuel tank empty. 1. Fill fuel tank with fresh fuel.
Using Recoil Starter 2. Engine needs choking or priming. 2.Choke/Prime. Check Engine Manual for
Instructions.
3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug.
Engine Stalls or Stops
After Running
1. Blade control is released or is not being held securely
against handle.
1. Blade control should be held securely against
handle at all times during operation of mower.
2. Fuel tank empty. 3. Fill with fuel to proper level.
3. Engine air pre-cleaner and or air cleaner dirty. 4. Clean free of all debris.
4. Spark plug defective or gap set improperly. 5. Service spark plug.
5. Water, debris or stale fuel in fuel system. 6. Drain and clean fuel system.
Engine Loses Power 1. Engine air pre-cleaner or air cleaner dirty 1. Clean or replace filters.
2. Spark plug faulty. 2. Service spark plug.
3. Water, debris or stale fuel in fuel system. 3. Drain and clean fuel system.
Excessive Vibration 1. Damaged, out of balance or bent mower blade. 1. Service mower blade.
2. Loose blade components. 2. Service and tighten loose parts.
3. Loose or missing air lift (if equipped). 3. Replace air lifts. Tighten to proper torque.
4. Lumpy or frayed belt 4. Replace belt.
Mower Will Not Move 1. Damaged transmission 1. Contact authorized SNAPPER dealer.
Loss Of Traction
2. Engine drive belt broken requires replacement 2. Replace engine drive belt.
3. Engine drive belt has jumped off of the pulley 3. Reinstall belt onto pulley. Check for damage.
(Self-Propelled Models) 4. Poly V belt is broken. 4. Replace Poly-V belt.
5. Poly V belt has jumped off of the pulley 5. Reinstall belt onto pulley. Check for damage.
6. Driven disc slipping 6. Clean or replace driven disc.
7. Broken or loose differential link bolt 7. Tighten or replace link bolt.
Cutting Grass 1. Cutting height too low or high. 1. Adjust cutting height.
Improperly 2. Engine speed too slow. 2. Move engine speed control to “FAST” position.
3. Forward ground speed too fast. 3. Move ground speed control to a slower speed.
4. Terraced cut, side to side. 4. Adjust height of cut with height adjust levers.
5. Excessive deck pitch, front to rear. 5. Adjust height of cut with height adjust levers.
6. Cutting blade dull or damaged. 6. Sharpen cutting edges or replace blade.
Poor Grass Discharge 1. Engine speed too slow. 1. Move engine speed control to “FAST” position.
2. Forward speed too fast. 2. Move ground speed control to a slower speed.
3. Grass is wet. 3. Mow when grass is dry.
4. Excessively worn or damaged blade. 4. Service mower blade.
5. Build up of grass clippings and debris under deck. 5. Clean deck.
6. Improper blade installed on deck. 6. Install proper SNAPPER blade.
7. Blade installed improperly on deck. 7. Install blade properly.
Oil Leaking 1. Leaking engine case. 1. Contact authorized SNAPPER dealer.
2. Check and tighten drain plug.
3. Make sure dip stick or oil filler cap is securely
in place.