Snorkel SR2770 - Manual (Page 38)

NOTE
Leave the engine running for the next step
■ Level Sensor
Figure 7.25 - Level Sensor
With the SR en gine run ning and scis sors raised,
push the level sen sor to the side as far as pos si ble.
The level sen sor alarm should sound.
■ Ground Controls
Figure 7.26 - Ground Controls
Check the Plat form Lift/Lower switch  (see Fig -
ure 7.26) to see that it is func tion ing prop erly by
hold ing the switch up to rise plat form and push ing
the switch down to lower the plat form.
In cold tem per a tures (be low 50(F/10(C ) check to
see that the Hy drau lic Oil Warm-Up switch € is
func tion ing prop erly by turn ing the switch on (up)
for 5 to 10 min utes or un til the hy drau lic oil tank is
warm to the touch then turn the switch off (down).
Pay par tic u lar at ten tion to the Emer gency Stop
switch  (see Fig ure 7.26) to see that it turns the
SR en gine off when struck.
■ Emergency Lowering
Figure 7.27 - Emergency Lowering
To check the emer gency low er ing: Raise the plat -
form and turn the en gine OFF at the ground con trol
box KEY SWITCH.
Op er ate the emer gency lower by pull ing on the ca -
ble  (see Fig ure 7.27) lo cated at the front of the
chas sis. When the plat form is fully low ered re lease
the ca ble.
■ Platform Controls
Figure 7.28 - Platform Controls
Check all of the lift , drive €, steer , and
stabiliser (‚, if present) functions from the platform
control box to see that they cause the SR to move
the way it should (see Figure 7.28). (for correct
operating procedures see the “Operation” chapter
8).
Listen for the lowering alarm while the platform is
going down. Listen for the motion alarm while the
SR is being driven forward. Listen for the back-up
alarm while the SR is backing up.
Press the operator horn ƒ (see Figure 7.28) to see
that it works.
SR2770 – 11669A page 7 - 7
7. Daily Inspection and Maintenance