MAINTENANCE CD15 OPERATOR MANUAL
6-30 Published 3-30-2018, CTRL 636-05
Inspect the Crane Structure and Boom for Damage
Thoroughly inspect the crane structure and boom for the
following:
1. Inspect for loose mounting hardware. Tighten any loose
hardware.
2. Inspect for cracked or broken welds. Do not operate the
crane if a critical weld is cracked or broken until the weld
is repaired. Contact your Grove distributor.
3. Inspect for missing or unreadable warning decals.
Replace if necessary.
4. Inspect for excessive rust or corrosion on crane
structure and boom. Paint any areas with excessive rust
or corrosion.
5. Inspect for missing items. Replace if necessary.
6. Inspect the crane for any damage that might inhibit safe
operation of the crane. Repair any damage.
Testing the Rated Capacity Limiter (Optional)
See the Rated Capacity Limiter manual furnished with this
crane and test the indicator according to instructions in the
manual.
MISCELLANEOUS MAINTENANCE
Batteries/Charging System
NOTE: Lead-acid batteries produce flammable and
explosive gases. To avoid personal injury, when
checking, testing or charging batteries:
• DO NOT use smoking materials near batteries.
• Keep arcs, sparks and flames away from
batteries.
• Provide ventilation and wear safety glasses.
• Never check battery charge by placing a metal
object across the posts. The sparks could
explode battery gases and cause injury or
death. Use a voltmeter or hydrometer.
Checking the Charging System
Check the voltmeter reading on the instrument panel.
Normal voltmeter readings are as follows:
Normal Operating Ranges
Engine above idle - 14 to 16 volts
Engine stopped - 10 to 14 volts
A reading of less than 10 volts with the engine at low idle
indicates a low battery charge.
A reading of less than 14 volts with the engine speed
above low idle indicates a problem in the charging
system. The system should be checked out by a
qualified service technician.
Charging the Battery
Under normal conditions, the engine’s alternator will have no
problem keeping a charge on the batteries. The only
FIGURE 6-40
8965-1
Radiator
Petcock Vent
Petcock
Drain
Rear Axle
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