Troubleshooting Chart; Specifications - Cub Cadet BC5090 Manual De Operación

TROUBLESHOOTING
CAUSE
ENGINE WILL NOT START
Empty fuel tank
Primer bulb wasn't pressed enough
Old fuel (over 30 days)
Fouled spark plug
Engine is over heated
ENGINE WILL NOT IDLE
Air filter is plugged
Old fuel (over 30 days)
Improper idle speed
ENGINE WILL NOT ACCELERATE
Old fuel (over 30 days)
Cutting attachment bound with grass
Dirty air filter
ENGINE LACKS POWER OR STALLS WHEN CUTTING
Old fuel (over 30 days)
Fouled spark plug
The outside temperature is above 90˚ F
CUTTING ATTACHMENT WILL NOT ADVANCE LINE
Cutting attachment bound with grass
Cutting attachment out of line
Inner reel bound up
Cutting head dirty
Line welded
Line twisted when refilled
Not enough line is exposed
CUTTING LINE ADVANCES UNCONTROLLABLY
Oil, cleaner or lubricant in cutting head
IF FURTHER ASSISTANCE IS REQUIRED, CONTACT YOUR AUTHORIZED SERVICE DEALER.
6 6
ACTION
Fill fuel tank with fuel
Press primer bulb fully and slowly 10 times
Drain fuel tank and add fresh fuel
Replace or clean the spark plug
Move the choke lever to Position 2, squeeze the throttle
control and pull the starter rope until the unit starts. Run
the unit for 2-5 minutes. Then move the choke lever to
Position 3.
Replace or clean the air filter
Drain fuel tank and add fresh fuel
Adjust according to the Idle Speed Adjustment section
Drain gas tank and add fresh fuel
Stop the engine and clean the cutting attachment
Clean or replace the air filter
Drain fuel tank and add fresh fuel
Replace or clean the spark plug
Move the choke lever to Position 2, squeeze the throttle
control and pull the starter rope until the unit starts.
Operate the unit in Position 2.
Stop the engine and clean cutting attachment
Refill with new line
Replace the inner reel
Clean inner reel and outer spool
Disassemble, remove the welded section and rewind
Disassemble and rewind the line
Push the bump head and pull out line until 4 inches
(102 mm) of line is outside of the cutting attachment
Clean and thoroughly dry the cutting head
UNIT*
Engine Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 4-Cycle
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 cu. in. (29 cc)
Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,800+ rpm
Idle Speed RPM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,800 - 3,600 rpm
Valve clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.003–0.006 in. (0.076–0.152 mm)
Spark Plug Gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.025 inch (0.655 mm)
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAE 30 Oil
Crankcase Oil Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.04 oz (90 ml)
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unleaded
Fuel Tank Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 oz (414 ml)
Approximate Unit Weight (No fuel, with handle, cutting attachment and shield). . . . . . . . . . . . . . 12-13.5 lbs (5.4-6 kg)
Trimming Line Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.105 inches (2.67 mm)
Cutting Path Diameter, Trimmer Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 inches (45.7 cm)
Cutting Path Diameter, Blade Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 inches (204 mm)
Shoulder Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Single Quick-Snap
*All specifications are based on the latest product information available at the time of printing. We reserve the right to
make changes at any time without notice.

SPECIFICATIONS