Lull 644E-42 Operation Manual - Manual (Page 173)

Test Procedures
171 Model 644E Origin 3/04
Test Procedures
To check that the parking brake/transmission de-clutch system is functioning
properly, perform the following tests.
IMPORTANT! These tests should be performed in (1) FIRST gear only.
Test 1 - Transmission De-Clutch
Step 1
a. Place the vehicle on a level surface.
b. Clear the area in front and behind the vehicle of any obstacles.
c. Fasten your seat belt.
d. Turn the ignition switch and start the engine.
e. With the parking brake applied, move the range select lever to (1)
FIRST gear.
f. Move the travel select lever to (F) FORWARD.
g. Depress the throttle pedal fully. The unit should not move.
Step 2
a. Remove your foot from the throttle pedal.
b. Move the travel select lever to (R) REVERSE.
c. Depress the throttle pedal fully. The unit should not move.
d. Remove your foot from the throttle pedal.
e. Move the travel select lever to the (N) NEUTRAL DETENT position.
Test 2 - Transmission De-Clutch/Parking Brake Activation
a. With the vehicle unloaded, disengage the parking brake.
b. Move the travel select lever to (F) FORWARD.
c. Move the unit slowly in a forward direction
(approximately 1 mph [1,6 kmh]).
d. Engage the parking brake. The unit should stop abruptly.
Parking Brake/Transmission De-Clutch
Test Procedures
WARNING:
DO NOT operate this vehicle unless you are in the
seat with the seat belt fastened around you. Death or serious personal
injury could result if the belt is not securely fastened.