SkyTrak 10054 Operation Manual - Manual (Page 171)

Ge nera lM ain ten anc e
169
Model 10054 Rev 3/02
Inspection Guidelines
1.P ark the veh icle on leve lg round .P lace th et rave ls elec tl ever in( N)
NEUTRA L,p lac ethe neut ra ll ock le ver in the( N)NEU TR ALLO CK
pos iti on,eng agethe park in gbr ak es witc han dr ais ethe boom to a
ho rizont al( le vel )pos ition .
2.F ully exte ndt heb oomunt ilthe extend chai ni st aut.Shu tth e
engi neo ff.
Th ee xtend chain swil lb ev isib lef orin spect ionwi thth ev ehicl ei n
this state .
Wh ile doing thec hain inspe ction ,c heck all ch ain cle vis ends for
dis tor tion orc ra cki ngand shea ves for bear ing wear orgr oov ing
from thec hain.
3.In spec tt her etrac tc hains ever y100 0ho urs ofo perati on.Refe rt o
the Ser vic eMa nual fo rpr oper proc edure .
4.In spec tt hec hains forth efo llowin gc onditi ons:
Ed ge Wear (F ig ure 120)
Chec kt hech ainf orw ear ont hel ink pla teed gesc aused by ru nning
bac kand fo rth ov ert he shea ve .T hemax imumr educti onof mater ial
sho uldnot ex ceed 5%.T his can be com pared toa norm all ink plate
heig htb ymea suring ap orti onof chai nt hatd oesno tr uno ve rthe
shea ve .
Double Ex te ndChains or Retr actChai ns :
The new chai nl ink meas ures .713" (18 mm)r efer to dim ensi on“ A”. If
the meas urem entof the wo rn chai ni sl ess than .677" (1 7m m)r efer to
dime nsio n“ B”, th ec ha in sho uld be repl aced.
Sin gle Ext end Ch ain s:
The new chai nl ink meas ures .950" (24 mm)r efer to dim ensi on“ A”. If
the meas urem entof the wo rn chai ni sl ess than .902" (2 3m m)r efer to
dime nsio n“ B”, th ec ha in sho uld be repl aced.
Figu re 12 0
MM2051
“A” “B”
General Maintenance
169 Model 10054 Rev 3/02
Inspection Guidelines
1. Park the vehicle on level ground. Place the travel select lever in (N)
NEUTRAL, place the neutral lock lever in the (N) NEUTRAL LOCK
position, engage the parking brake switch and raise the boom to a
horizontal (level) position.
2. Fully extend the boom until the extend chain is taut. Shut the
engine off.
The extend chains will be visible for inspection with the vehicle in
this state.
While doing the chain inspection, check all chain clevis ends for
distortion or cracking and sheaves for bearing wear or grooving
from the chain.
3. Inspect the retract chains every 1000 hours of operation. Refer to
the Service Manual for proper procedure.
4. Inspect the chains for the following conditions:
Edge Wear (Figure 120)
Check the chain for wear on the link plate edges caused by running
back and forth over the sheave. The maximum reduction of material
should not exceed 5%. This can be compared to a normal link plate
height by measuring a portion of chain that does not run over the
sheave.
Double Extend Chains or Retract Chains:
The new chain link measures .713" (18 mm) refer to dimension “A”. If
the measurement of the worn chain is less than .677" (17 mm) refer to
dimension “B”, the chain should be replaced.
Single Extend Chains:
The new chain link measures .950" (24 mm) refer to dimension “A”. If
the measurement of the worn chain is less than .902" (23 mm) refer to
dimension “B”, the chain should be replaced.
Figure 120
MM2051
“A” “B”