OPERATION

OPERATION

Problem

Possible Cause

Remedy

Motor Inoperative

Low Oil level or No Oil

Fill or replace as required

(Won't Run)

Improper Oil Used

flush and replace the oil

 

 

Solenoid valve Failure or

Remove the solenoid valve and inspect.

 

O-ring Failure at the

Replace as required

 

Solenoid Valve

 

 

No voltage to Solenoid

Check harness connections, fuses and wires

 

Valve

Wrong plug installed (Maverick and Machete).

 

Incorrect Wiring at

 

Solenoid valve

Timbercat harness plug used in place of Other

 

 

mower plug. Reconnect with proper plug

 

Spindle Locked up

Check by spinning blades. See Section on

 

 

spindle failures

Motor Overheating

Oil Level Too Low

Fill or replace as required

 

Incorrect Oil Used

Flush and fill as required

 

Air in Oil

Locate the source and repair. Flush and fill the

 

 

oil as required

 

Engine RPM too high

Tractor must be operated at the 540PTO speed

 

 

as indicated on the tachometer

 

Excessive ground speed

Operator abuse

 

for mowing conditions

 

 

Excessive ground contact

Operator abuse

 

with blades

 

 

Internal leakage in pump

Test to confirm. Repair or replace as required

 

or motor

 

 

Relief valve malfunction

Test relief valve setting. Adjust or replace as

 

 

required

 

Restrictions in the system

Identified by concentration of heat, due to Line

 

 

restriction bent hoses or contamination.

Motor Shaft Seal

Excessive Back Pressure

Due to bent fittings or crimped hoses. Inspect

Leaking

on return side of the

the system and repair as required

 

motor.

 

 

Incorrect oil used

Replace with correct oil.. Flush and fill

 

Shaft Seal worn

Due to heat from the spindle or failure of

 

 

spindle components. Check spindle section

 

Failed Seal Retainer

Manufacturing defect. Consult customer

 

 

service for proper repair or replacement

 

Defective Motor Flange

Manufacturing defect. Consult customer

 

casting

service for proper repair or replacement

1900 07/11

Operation Section 4-48

© 2011 Alamo Group Inc.

Page 158
Image 158
Alamo 1900 manual Motor Inoperative