Transcript Hurst Power Unit

Hurst Hydraulic Equipment
SECTION: Tools and Equipment
ISSUED: 02-2011
REVISED: ##-####
Objectives
• To provide an understanding of the
following
– Specifications
– Use
– Maintenance
– Safety
Hurst Power Unit
• Hurst JL-4GH-SI
• 4-Cycle 5.5 HP
Honda Gasoline
engine
• 5000 psi output
pressure
• Uses fluid to create
hydraulic pressure to
power rescue tools
Hurst Power Unit
• Unit storage
– Full choke
– Fuel left off to prevent
flooding
• To Operate
– Open fuel
– Pull starter
– Move throttle lever
down to run position
– Turn both valves to
pressure
Hurst Simo Unit
• Hurst ML-4G-SI
• 4-Cycle 3 HP Honda
Gasoline Engine
• Two tool operation
with two 16’ hose
sections
• Portable power for
incidents beyond the
reach of the hose reel
• 60 lbs. dry weight
Hurst Simo Unit
• Unit storage
–
–
–
–
“On” position
Full Choke
Fuel off
Throttle ¼ to ½
• To Operate
–
–
–
–
–
Open fuel
Pull starter
Open Choke
Full throttle
Turn both valves to
pressure
Hose Reel
• 2 - 100’ Length
• Pre connected to
power unit
• Construction
– Thermoplastic inner
tube
– Kevlar reinforcement
– Polyurethane jacket
• 20,000 psi burst
pressure
– 4 to 1 safety factor
Standard Couplings
• Located on hose reel and power unit connections
• To connect
– Turn and pull sleeve back
– Insert male into female
– Release sleeve to connect
– Rotate ¼ turn
• To disconnect
– Line up notch on female
– Pull sleeve back
– Pull male out
• Cannot be connected or disconnected under pressure
Streamline Couplings
• Found on tool
connections
• To connect
– Insert male into female
– Twist firmly in
clockwise direction
• Reverse operation to
disconnect
• Can be connected
and disconnected
under pressure
Hurst Spreaders
• MLT-32
– 31,000 lbs spreading
force of @ 5000 psi
– 16,500 lbs closing
force
– 32” Max spreading
distance
– 59 lbs
Hurst Cutters
• MOC II
– 152,000 lbs Cutting
force @ 5000 psi
– 7” cutter opening
– 47 lbs
Hurst Rams
• Sizes
– JL-20
• 15” to 22” spread
– JL-30
• 23” to 36” spread
– JL-60
• 35” to 60” spread
• 15,000 lb Opening
Force
• 6,000 lb Closing
Force
Accessories
• Standard tips
• Pancake tip
• Shackles for spreaders
– Remove pin to change
attachments
• Ram attachments
including V and point
– Attachment can be used
on either side
• Ram extensions
– Extensions must be on
the fixed side
– 8”, 12”, 16”
Qu i c k T i m e ™ a n d a
T I F F (Un c o m p re s s e d ) d e c o m p re s s o r
a re n e e d e d to s e e th i s p i c t u re .
Use
• Auto extrication
• Machine entrapment
• Cutting rebar during breaking and
breaching
• Heavy lifting
• Any heavy rescue operation where tools
would be applicable
Operation
• Tools have an open /
close toggle
• Can be a thumb, star,
or handle
• Fully open toggle
(valve) to allow
maximum pressure
Maintenance
• Check fluid levels in power units
– Fuel, hydraulic fluid, and oil
• Check for loose connectors and leaks in
all power units, rescue tools, and hoses
• Check hoses for cuts, bulges, and overall
condition
• Check all tools and equipment for
cleanliness
Maintenance
• Use warm soapy water to wipe down tools
• Clean couplings by submerging in warm
soapy water
• Use rag, sponge, or soft bristle brush to
scrub
• Rinse and dry thoroughly
• Do not use WD-40 on tools
Safety
• Wear appropriate PPE
– Minimum of helmet, gloves, and eye
protection when performing maintenance
• Lift equipment with legs
• Pay attention to pinch points when
operating
• Allow tool to do the work