Skyguard Function Test - JLG 800a Operation And Safety Manual

SECTION 2 - USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION
14. Check platform rotator for smooth operation and assure
platform will rotate 90 degrees in both directions from cen-
terline of boom.
15. If equipped with 4-wheel steer, check rear steer left and right
for proper operation.
16. If equipped, raise and lower the articulating jib boom. Check
for smooth operation.
17. If equipped with Auxiliary Power, operate each function con-
trol switch to assure that they function in both directions
using auxiliary power instead of engine power.
18. Ground Controls - Place Ground/Platform Select switch to
Ground. Start engine. Platform controls should not operate.
2-16

SkyGuard Function Test

NOTE: Refer to Section 4.10 for additional information on SkyGuard
operation.
From the Platform Console in an area free from obstructions:
1. Operate the telescope out function.
2. Activate the SkyGuard sensor:
a. SkyGuard - Apply approximately 50 lb (222 Nm) of
force to yellow bar.
b. SkyGuard - SkyLine - Press cable to break magnetic
connection between the cable and right bracket.
c. SkyGuard - SkyEye - Put arm or hand in path of sensor
beam.
3. Once the sensor has been activated, verify the following
conditions:
a. Telescope out function stops and telescope in function
operates for a short duration.
b. The horn sounds.
c. If equipped with a SkyGuard beacon, the beacon illumi-
nates.
3121627