allen MPS9910, Safety & Operation Manual, Page: 37 / 40

Area Malfunction
Possible
Cause
Corrective
Measure
Ref.
Engine
Black smoke comes out
of exhaust
Bad fuel - Change fuel
Clogged air cleaner - Clean or replace the air cleaner
Choke is not fully open - Open the choke fully
Other (other than above) - Contact your AEC dealer
White or blue smoke
comes out of exhaust
Engine oil level is too high - Adjust the oil level
Other (other than above) - Contact your AEC dealer
Safety
Devices
Lamp does not light
Blown bulb - Replace
Blown fuse - Replace
Other (other than above) - Contact your AEC dealer
Hydraulic
System
Pump does not work
Insufficient or deteriorated hydraulic fluid - Add or change fluid
Other (other than above) - Contact your AEC dealer
Troubleshooting Continued
SECTION 3
SERVICE
075770 Page 37