Trouble shooting guide – Alamo HYDRO 15 User Manual
Page 145

Section 11 - 3
HYDRO 15 (Service Manual) 09/06
© 2006
Alamo Industrial
Trouble Shooting Guide
PROBLEM
POSSIBLE CAUSE
SOLUTION
BLADE BOLTS
Bolts not tightened sufficiently
Tighten New Bolts to 350 ft/lb torque
WORKING LOOSE
Bolt hole elongated or oversized
Replace blade carrier.
Locknut worn out
Replace locknut
BLADES HITTING TOP
Blades bent
Replace blades
DECK OR CUTTING
TOO HIGH
Blade bolt bushing
Replace bushing
broken loose.
Blade carrier bent
Straighten or replace blade carrier
Blades hitting ground
Blades Bent, Mower hitting ground
and blade deflecting upwards
Blades on upside down
Change blades right side up
CUTTER VIBRATING
Blade broken
Replace blade--only in pairs
Blade carrier bent
Replace carrier
Blade hub not properly
Remove hub, check key,
seated on shaft.
and replace.
New blade matched with worn blades
Replace blade--only in pairs
CUTTER WINDROWING
Rotation of blades
Reverse rotation
incorrect.
Cutting heavy material
Use guards on the rear to
reduce windrowing
Ground Speed to fast
Reduce ground speed
Mower un-level
Check and re-level mower
NOISY SPEED CHANGER
Rough gears
Run in or change gears
Worn bearing
Replace bearing
Improper gear mesh
Change check, repair or replace
Low on oil
Fill with oil and check for damage
Repair or replace as needed
OIL BLOWING OUT OF
Vent plug defective or broken
Replace with proper vent plug
SPEED CHANGER
Oil level too high.
Lower oil level.
Vent Plug inserted wrong place
Check & relocate vent plug
WING BLADES DO NOT
Ground speed too fast.
Slow forward speed.
CUT CLEAN ON OUTER
EDGES
Reverse rotation of wing blades
Reverse rotation wing motor and blade
carrier.NOTE: This rotation of wing blades
may tend to streak behind tractor tires.