SAFETY INFORMATION 777 OPERATOR’S MANUAL
2-20 Published 10-01-12, Control # 044-05
f. Place a warning sign at the start controls alerting
other personnel that crane is being serviced and the
engine must not be started. Do not remove sign
until it is safe to return crane to service.
2. Do not attempt to maintain or repair any part of crane
while engine is running, unless absolutely necessary.
Wait for engine and machinery to cool before servicing
them.
If engine must be run, perform following steps to prevent
injury:
- Keep your clothing and all parts of your body away
from moving parts.
- Use extreme caution when working around
machinery. It can be extremely hot.
- Maintain constant verbal communication
between person at controls and person
performing maintenance or repair procedure.
3. Wear clothing that is relatively tight and belted.
4. Wear appropriate eye protection and approved hard hat.
5. Never climb onto or off a moving crane. Climb onto and
off crane only when it is parked and only with
operator’s permission.
Use both hands and handrails, steps and ladders
provided to climb onto and off the crane.
Lift tools and other equipment which cannot be carried in
pockets or tool belts onto and off the crane with hand
lines or hoists.
6. The boom and gantry are not intended as ladders. Do
not attempt to climb lattice work of the boom or gantry to
get to maintenance points. If the boom or gantry is not
equipped with an approved ladder, lower them before
performing maintenance or repair procedures.
7. Do not remove cylinders until the working unit has been
securely restrained against movement.
8. Pinch points are impossible to eliminate; watch for them
closely.
9. Pressurized air, coolant, and hydraulic oil can cause
serious injury. Make sure all air, coolant, and hydraulic
lines, fittings, and components are tight and serviceable.
Do not use your hands to check for air, coolant or
hydraulic oil leaks:
• Use a soap and water solution to check for air leaks
(apply to fittings and lines and watch for bubbles).
• Use a piece of cardboard or wood to check for
coolant and hydraulic oil leaks.
10. Relieve pressure before disconnecting air, coolant, and
hydraulic lines and fittings.
11. Do not remove the radiator cap while the coolant is hot
or under pressure. Stop the engine, wait until the
pressure drops and the coolant cools, then slowly
remove the cap.
12. Avoid battery explosion: do not smoke while performing
battery maintenance or short across battery terminals to
check its charge.
13. Read the safety information in the battery
manufacturer’s instructions before attempting to charge
a battery.
14. Avoid battery acid contact with skin and eyes. If contact
occurs, flush the area with water and immediately
consult a doctor.
15. Stop the engine before refueling crane.
16. Do not smoke or allow open flames in refueling area.
17. Use a safety-type can with an automatic closing cap and
flame arrestor for refueling.
18. Hydraulic oil can also be flammable. Do not smoke or
allow open flames in the area when filling hydraulic
tanks.
19. Never handle wire rope with bare hands. Always wear
heavy-duty gloves to prevent being cut by broken wires.
20. Use extreme care when handling coiled pendants.
Stored energy can cause the coiled pendants to uncoil
quickly with considerable force.
21. When inflating tires, use a tire cage, a clip-on inflator,
and an extension hose which permits standing well away
from the tire.
22. Only use cleaning solvents which are non-volatile and
non-flammable.
23. Do not attempt to lift heavy components by hand. Use a
hoist, jacks, or blocking to lift components.
WARNING
Burn and Inhalation Hazards!
Temperature of exhaust and exhaust components for
Tier 4 engines can be higher than other engines.
To prevent death or serious injury:
• Avoid physical contact with exhaust gases and
exhaust system components.
• Keep all flammable materials away from the exhaust
system to prevent fire.
• If necessary to service crane while engine is running,
inhibit (turn off) DPF regeneration using switch in cab
to prevent higher exhaust temperatures.
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