Landoll 900B Series, Operator'S Manual

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IN This is normal operating position.
OUT Set the choke in this position as
an aid to start the engine. Once
the engine is started, push in the
choke fully.
3-17.4 The HYDRAULIC POWER SUPPLY
ENGINE THROTTLE is located to the right
of the choke on the driver’s side of the semi-
trailer. The Engine Throttle controls the
speed at which the engine operates
(See
Figure 3-9). It is a variable position control:
FULL OUT In this position, the engine throt-
tle is fully open, letting it run at
full speed.
FULL IN In this position, the engine throt-
tle is closed, letting the engine
run at a slow idle.
CAUTION
DO NOT CRANK ENGINE FOR MORE
THAN 10 SECONDS. IF ENGINE DOES
NOT START, CONSULT THE OWNER’S
MANUAL SUPPLIED WITH THE EN-
GINE.
3-17.5 To start, pull the choke completely out
and set the throttle to the MEDIUM IDLE po-
sition.
3-17.6 Turn the ignition key to the START po-
sition. The engine should crank and then
start.
3-17.7 When the engine starts, release the
key. Gradually push the choke lever in until
the engine runs smoothly.
IMPORTANT
BLACK SMOKE FROM THE EXHAUST AND A
ROUGH RUNNING ENGINE USUALLY INDICATE
OVER-CHOKING.
3-17.8
To adjust the speed, turn the throttle
control in or out, as needed, until the engine
runs smoothly at a speed capable of with-
standing use of the hydraulic controls. The
hydraulic controls should now be functional.
3-17.9 Before shutting it off, allow the engine
to cool down by running at a slow idle for
thirty seconds.
3-17.10 Once the engine is cool, turn or push
the throttle and choke control completely in
and turn the key to the OFF position.
3-18 AIR RIDE OPERATION
3-18.1 Trailer air pressure must be maintained
above 90 PSI before operating. PROTEC-
TION VALVES are used to maintain 65 PSI
air brake pressure during suspension or re-
mote system air loss.
3-18.2 The Model 900 Series tandem and tri-
ple axle semitrailer is equipped with a ride
control valve located on the rear axle.
CAUTION
INSURE SUSPENSION AIR BAGS ARE
INFLATED ON ALL AXLES WHEN MOV-
ING UNDERCARRIAGE FROM LOAD
TO TRANSPORT POSITION. FAILURE
TO DO SO CAN CAUSE EXCESSIVE
TIRE WEAR.
CAUTION
IF SUSPENSION AIR LOSS SHOULD
OCCUR, COMPLETELY DEFLATE SUS-
PENSION AND TEMPORARILY OPER-
ATE ON THE AIR SPRINGS INTERNAL
RUBBER BUMPERS. CAREFULLY
PROCEED TO THE NEAREST SEMI-
TRAILER SERVICE FACILITY. TO DE-
FLATE THE AIR SUSPENSION, DIS-
CONNECT THE LOWER CONNECTION
ON THE LINKAGE OF THE AUTOMATIC
AIR VALVES. ROTATE THE VALVE
CONTROL ARMS DOWN ABOUT 45
o
TO EXHAUST THE AIR. TO RESTORE
TO NORMAL OPERATION, SIMPLY RE-
VERSE THE PROCEDURE.
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