Rough Terrain Scissor Interlock Tests; Sta Bi Liser Locked Out When Plat Form El E Vated Test; El E Va Tion Locked Out When Ax Les Not Stowed Test; El E Va Tion Locked Out When Tilted Test - Snorkel S3970BE Operation Manual

7. Daily Inspection and Maintenance
n Rough Terrain Scissor Interlock Tests
All Snor kel scis sor lifts in the Snor kel 'SRT, SR and
S/RT Se ries are fit ted with a very im por tant safety
fea ture, a 'Sta bi liser/axle/scis sor In ter lock' sys tem
that pre vents the sta bi lis ers be ing moved while the
plat form is el e vated, and pre vents the plat form be -
ing raised if the rear axle is os cil lated and the sta bi -
lis ers are not set or the machine is tilted.
The cor rect op er a tion of the Sta bi liser/scis sor In -
ter lock is crit i cal to en sure that the Scis sor is op er -
ated safely and with min i mum risk.
DANGER
T o e n s u r e t h e i n t e r l o c k s y s t e m i s
func tion ing cor rectly, be fore op er at ing the
Scis sor the fol low ing test must be car ried
o u t p r i o r t o o p e r a t i o n e a c h d a y , i n
con junc tion with all other rel e vant daily
pre-operational checks:
q
Sta bi liser locked out when plat form
el e vated test
1. Po si tion the ma chine on a firm level sur face.
2. From the plat form con trols, start the en gine
and al low it to warm up.
3. Raise the plat form above the el e va tion
switch, un til the en gine RPM drops to idle
(approx. 1.5 metres, de pend ing on model).
4. Op er ate the right front sta bi liser ex tend
switch while watch ing the sta bi liser leg for
move ment
5. If the sta bi liser leg moves, re lease the switch
im me di ately!
Lower the plat form fully, re move the ma chine
from ser vice and af fix a Dan ger Tag warn ing
oth ers that the ma chine is not to be used.
In the first in stance con tact the owner who
will then con tact the Snor kel branch or
authorised agent to in spect, re pair and test
the ma chine be fore al low ing it to be placed
back into ser vice.
If the sta bi liser leg does not move, con tinue
to step 6
6. Lower the plat form to the stowed po si tion
q
El e va tion locked out when ax les not
stowed test
7. Park the ma chine such that one rear wheel is
in a de pres sion (approx. 100mm deep) such
that the axle switch opens. A kerb or gut ter
may be suf fi cient
page 7 - 2
8. Raise the plat form above the el e va tion point,
(approx. 1.5 metres, de pend ing on model).
9. At this point, an alarm will sound and fur ther
lift or drive will be dis abled.
10. If there is no alarm and/or the ma chine
con tin ues to al low lift stop im me di ately!
Lower the plat form fully, re move the ma chine
from ser vice and af fix a Dan ger Tag warn ing
oth ers that the ma chine is not to be used. In
the first in stance con tact the owner who will
then con tact the Snor kel branch or
authorised agent to in spect, re pair and test
the ma chine be fore al low ing it to be placed
back into ser vice.
11. Re peat steps 7-10 for the op po site rear
wheel.
12. Lower the plat form to the stowed po si tion
q

El e va tion locked out when tilted test

13. Park the ma chine on ground known to
ex ceed the tilt limit spec i fied on the se rial
plate.
14. Raise the plat form above the el e va tion point,
(approx. 1.5 metres, de pend ing on model).
15. At this point, an alarm will sound and fur ther
lift or drive will be dis abled.
16. If there is no alarm and/or the ma chine
con tin ues to al low lift stop im me di ately!
Lower the plat form fully, re move the ma chine
from ser vice and af fix a Dan ger Tag warn ing
oth ers that the ma chine is not to be used. In
the first in stance con tact the owner who will
then con tact the Snor kel branch or
authorised agent to in spect, re pair and test
the ma chine be fore al low ing it to be placed
back into ser vice.
17. Lower the plat form to the stowed po si tion
18. If all steps have been fol lowed and the
Sta bi liser/scis sor in ter lock is func tion ing
cor rectly, the ma chine can now be used in
ac cor dance with the op er at ing in struc tions
pro vided in the Op er a tors Manual.
Rev A S3970RT, S3370RT & S2770RT – 13865-1