Mec 3072ES, Руководство по обслуживанию и запасным частям

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PROBLEM REMEDY/SOLUTION POSSIBLE CAUSE
October 2008 "3072ES / 3772ES / 3772ES HD" Service & Parts Manual
Page 4-34
Outrigger
No outrigger
operation Limit S witch L S -1 S e ns e s platfo r m i s i n
elevated po s itio n
S y s tem I n te ru ptio n
O u t r igge r s witch i n ope r ative
Di r ectio n al p r e ssur e Valve n ot f un ctio n i n g
Check limit s witch L S 1 located L/R ba s e a r ea.
Check Limit S witch s witch i n p u t us i n g EZ-cal (EZ-Cal ID# 2d5)
Check HELP a n d MODE me ss age o n EZ-Cal
Check o u t r igge r s witch located i n the u ppe r co n t r ol box
Located behi n d lowe r co n t r ol box.
I ns pect valve fo r powe r o r damage.
Relocate un it to mo r e level g r o un d
I ns pect/ r eplace deploy valve fo un d atop each o u t r igge r cyli n de r ( s ee
o u t r igge r s ectio n fo r valve ide n tificatio n
Check p r e ssur e s witche s with o u t r igge rs r et r acted s witche s s ho u ld be
ope n
Fi rs t a ssur e that the un it i s level.
U s e EZ-cal, Acce ss level 2, S ETUP S , TILT to Calib r ate.
Co rr ect wi r i n g, r efe r to s chematic diag r am fo r co rr ect wi r i n g.
I ns pect a n d r eplace a s n eeded.
S ee o u t r igge r s ectio n fo r ho s e r o u ti n g detail
S et S TEER r elief valve to 2000 p. s .i.
Outriggers deploy
unevenly and/or unit
will not level U n it o n too ext r eme a n gle
O u t r igge r exte n d valve s ticki n g ope n
P r e ssur e s witch s t u ck clo s ed
Tilt s e ns o r n ot calib r ated o r n ot calib r ated
p r ope r ly
O u t r igge r leg s wi r ed i n co rr ectly o r pl u g
P6-1 - 10 o r P15-1 - 11 pi n ed i n co rr ectly
Damage to o n e o r mo r e o u t r igge r leg s
O u t r igge r ho s e s co nn ected i n co rr ectly
P r e ssur e r elief valve s et too low
NOTE: To test for proper switch and solenoid operation and wire routing, follow the
outrigger test sequence found in
Ez-Cal Outrigger Test Mode on page 4- 18.
TROUBLE Table continued