Alamo HYDRO 15 - Manual (Page 144)

HYDRO 15 (Service Manual) 09/06
© 2006 Alamo Industrial
Section 11 - 2
Trouble Shooting Guide
TROUBLE SHOOTING GUIDE
INTRODUCTION : The following guides intended to help locate minor problems before they become major ones.
The basic procedures for maintaining the equipment properly are covered in the operators manual. However, any
machine can have operating problems or need parts replacement under unusual conditions or severe use. The
following guide will help identify the most common problems and presents possible causes and solutions.
PROBLEM POSSIBLE CAUSE SOLUTION
NOT CUTTING CLEAN Blades dull. Sharpen or replace blades
Blade Bent or damaged Replace with correct condition blades
Blade rotation incorrect Use correct blade for carrier rotation,
check to make certain Hyd motors
turning correct rotation
Using flat blades Use fan blades for down grass
Carrier RPM too low Use correct PTO speed and check
for correct speed increaser ratio,
Check for required hydraulic pressure
through out hydraulic system
Cutter not level Adjust machine
Tires mashing down grass Check for correct rotation. Move
tires out of cutter overlap area (to
clear 72" cutting width)
Ground speed too fast Reduce ground speed
Blades locked back Free blades
Blades riding up due to Replace blade bolts
blade bolt wear.
Blades hitting deck Blades Bent, Mower hitting ground
and blade deflecting upwards
DISHPAN HITTING Blade carrier bent. Replace dishpan.Straighten dishpan.
CUTTER DECK
Nut that holds Blade Carrier Tighten Nut
on is loose.
Deck bent down. Straighten deck
Output Shaft on Gearbox bent. Replace Shaft.
BREAKING BLADE Operating mower w/ loose blade bolts Keep blade bolts tightened to 350 ft lbs
BOLTS
Worn blade bolts Replace bolts
BLADE WEARS TOO Cutting in sandy condition Increase cutting height or try to mower
FAST when more moisture in ground
Cutting in rocky conditions Increase cutting height
Blades too soft Replace blades with heat-treated
blades from the manufacturer.