MSHA - Interactive Training - JTA Spiders

CRUSHER MOVE

1. Mobilization

cedar rapids 124

install "oversize banner" and ( 2) flags on tractor

hook tractor to jeep

check the tires and hubs on jeep

obtain supervisors approval to hook up to cedar rapids

clean glad hands & king pin

hook tractor & jeep up

untape glad hands

hook up air lines and electrical cord

check tires & hubs on crusher

pull unit to safe area after supervisor approval

check all lights and brakes performance

clean unit for loose stones etc.

install line bumpers

install banners and flags

1 oversize banner on rear

2 flags on the front

2 flags in the middle

2 flags in the rear ( in addition to the oversize)

install strobe light on right rear side

have crushing supervisor look unit over one more time

line up "escort" train

proceed to new site

Driver must know actual height, width, and route. Driver should know that 40 mph provides adequate braking distance, and minimizes damage from debris.

do not exceed speed 40 mph

while maintaining proper distance

check overhead clearance at all times

arrive at new site

check with supervisor

park per instructions

de-flag unit

Primary Crusher Unit 110

Get approval from crushing supervisor to hook up primary

Clean king pin and air lines

couple tractor to primary

untape glad hands

Hook up air and electric lines

raise landing gear

unhook power pack

move crusher to safe area to be cleaned (after approval)

check all lights and brakes performance

check tires and hubs

flag crusher

2 on tractor

2 on side of crusher (1 per side)

2 on rear

have supervisor inspect unit one more time

proceed to new site

Max speed 50 mph

maintain proper distance

check overhead clearances

spot primary at new site

de-flag

Stacker Unit 126

clean any stones or rocks off stacker

check hubs for oil

look for loose lug nuts

look for soft tires

Plug in electrical line

flagging

1 flag left front

2 flags middle, one each side

2 flags rear

"oversize" banner

two flags front of tractor and "oversize" banner

pull slow on rough roads (no suspension)

check and maintain proper height and width clearances

pull to new site

check with supervisor on site

Find level area to drop landing gear

block wheels on stacker

drop landing gear

de-flag

unhook electrical line

uncouple tractor and pull away carefully

Tool Trailer Unit 125

pull trailer to safe area of pit

check brakes, hubs, tires and lights

move to new site under standard posted speeds unless conditions dictate otherwise

ask supervisor about ground plate

spot tool trailer per supervisors instructions, unhook lines drop landing gear and uncouple tractor

Scale Conveyor Unit 132 (and 30" (107), 24" (100) transfer conveyors)

check lights

check brakes (132 only)

hook up safety chain

check pintle is locked

drive to site max 45 mph

Water trailer and test trailer

observe speed limits and road conditions

recheck safety chains and hook up

check hubs, tires, fasteners, hitch and lights

Loader

find level area to break deck on lowboy that is clear of overhead obstructions

pull chains and get approval from supervisor to load loader and gin pole

place gin pole on center of lowboy deck

put loader on deck, lower bucket

hook deck back together

chain down loader with a minimum of 5 load rated chains

tape exhaust pipe and remove antenna

close all windows and latch all doors

attach "oversized" banner on rear with two flags in the middle at the widest point (the bucket)

attach "oversized" banner on the front of the tractor with 2 flags

minimum clearance is 14.5'

travel to new site at max of 45 mph

arrive at new site find flat area with no overhead obstructions to split deck

unchain, de-flag, untape, install antennae

unload loader

remove gin pole from deck (crushing crew)

hook deck back together and pick up chains

Developer Unit 106

check brakes, tires, hubs

flag unit

2 flags front of truck

2 flags rear of unit (either side, typ.)

install light bar and check for proper operation

check once more for rocks

travel to new site (45 mph max)

de-flag and see supervisor for drop location

start engine

lower landing gear to suitable position

remove light bar and air lines

disconnect tractor

Developer stacker Unit 103

flag unit

2 flags on front of truck

2 flags on rear of unit

install light bar and test

check tires and hubs

travel to next site, max speed 45 mph

check with supervisor and get directions for location

lower landing gear, install braces

remove light bar and flagging

block tires

disconnect

2. TEAR DOWN

CEDAR RAPIDS 124

empty crusher

de-energize power

lower stacking conveyor

clean off catwalks

take down spray bar

block cone

put stays on screen

remove top two skirt boards

remove tie off cables

this is a new step at this time

use fall protection

10 foot ladder

unhook the power cords

wrap the cords up

clean out from under the crusher

hook up the loader to the power pack

raise the crusher to remove the screw jacks

remove the screw jacks

this step is done while the catwalks are being cleaned

fold up the front legs

remove blocking & steel pads

spot truck under crusher

Primary Crusher Unit 110

De-energize

Unhook power cords

Take Handrails down

Take ramps out with Loader

Clean primary

Put the stays on

Drop the electrical box down

Roll up cords and place on top of electrical panel/box

Secure with strap

Put Panel up on crusher with loader

Hook loader to power pack

Raise Crusher

take out blocks & plywood and put in feeder (use loader)

Ready for truck

Stacker Unit 126

Wind up the cords

chain up counter weight

loosen belt

lift up one side at a time

take drive chain off and hang on frame

pull pin

swing wheel into travel position

re-pin

shovel off pivot plate

slide hopper to travel position

hook to loader and raise up to proper height

clean 5th wheel plate and pin with shovel

put on truck with loader

follow loader operator instructions

install on belt tie downs

unbolt at first pivot point

fold conveyor around with the loader

lock conveyor into position

unhook loader

position loader to other end of conveyor

hook loader

unbolt second pivot point

fold conveyor with loader

Lock into position

unhook loader

chain belt down at front pivot

use fall protection

lower tie off into transport position with ladder

Tool Trailer Unit 125

secure contents

put steps and hand rails inside trailer (both sets)

shut doors and lock

ready for the truck

have supervisor OK before coupling

couple tool trailer

hook up air and electrical lines

crank up landing gear

back trailer with spotter enough to remove ground plate

hang ground plate in it's hanger

Scale Conveyor Unit 132 (and 30" (107), 24" (100) transfer conveyors)

wind up power cords

scale cord on tool trailer

power cord on scale conveyor

lower if necessary

install bolts in stationary braces and secure

clean it off

check tires, hubs and lug nuts

pick up with loader to raise legs

raise legs

attach to truck and hook up electrical cord

Water trailer Unit 105

de-energize

wind up cord

unhook and wind up hoses from Cedar Rapids

secure lock box

unhook hose and drain tank

hook to pick up

connect safety chains

connect electrical

check lights and tires

move to next site

Test Trailer Unit 49

secure contents and steps inside (insure testing equip. is secured)

de-energize if necessary, wrap cord under tool trailer

raise legs in back

hitch to pick up (usual procedure)

lower jack

check lights and tires

insure porta-john is secure

move to next site

Developer Unit 106

remove ramp with loader

energize system

lower stacking conveyer into travel position

turn engine off (leave key in on position) and open a valve

disconnect hoses

restart engine

lower landing gear to raise machine

fold up spill/side plate with loader and secure

unpin and raise front legs

pull machine ahead with loader

clean machine

lower truss until collection hopper is on the ground

unpin screen angle

unpin the screen

take hopper off with loader and gin pole and secure on belt bottom side up

lower truss the rest of the way and put screen into transport position and repin

clean king pin, untape glad hands

couple tractor, hook up air lines

have crushing crew raise landing gear

shut off engine

put key in lock box

clean unit

Developer stacker Unit 103

store 2" hydraulic hose on top of belt

pick up one side with loader, pull pin axle and slide axle in and repin

pull pin in wheel and pivot wheel to travel position and pin

repeat steps for other wheel

loosen the belt

locate 5th wheel plate next to end of conveyor

hook to tail pulley eye and lift with gin pole on the loader until head pulley is close to ground

unbolt conveyor at hinge point

fold conveyor into transport position and repin

lower conveyor to convenient height and install 5th wheel plate and install bolts

clean unit

raise end to appropriate 5th wheel height

clean king pin

hook up to truck

3. Set-up

Site Preparation

Examine Site and Evaluate any Hazards

Correct Hazards if possible

Site Specific Hazard Awareness Training Given

Task Train for "Set Up" Activities

Level and stabilize pad for primary crusher and cedar rapids crusher with FEL

Equipment Placement

Back into the pad

Hook loader to power pack

Raise discharge/front conveyor out of the way

lock raised conveyor with two chains provided

Place temporary blocks under jacks

Raise Crusher

Remove electrical and air lines

Disconnect tractor and Pull away

Position Cedar Rapids Unit 124 properly

Hook loader up to power pack on to Cedar Rapids

Bring jacks down to ground and lift up crusher

unhook electrical and air lines

pull tractor away

Set up tool trailer next to pad and put down ground plate

place Landing gear on the ground (tool trailer)

disconnect electrical and air lines and pull truck away

drive truck to stacker unit 126

Raise tie off cables out of travel position

hook up to stacker unit 126

go to the levelest open area available

park truck 90 degree angle to stacker

driver will remain in cab and follow loader operator instructions

unfold the stacker with the loader and gin pole

Hook on to head pulley end of conveyor

Unfold into position

Secure the upper section with bolts

unhook loader/gin pole

relocate loader and hook to other end of stacker

remove lock pin

unfold into position

secure lower section with bolts

raise conveyor weight off tractor with loader

unhook tractor

pull tractor away

set conveyor on ground

unhook gin pole

begin leveling process

Primary Crusher

hook loader up to power pack

throw all blocking and plywood on ground

get torpedo level out

set torpedo level on machine

set machine level using jacks and blocks

Unhook power pack

Go to Cedar Rapids unit 124

Cedar Rapids

hook loader up to power pack

Lower legs to blocking position

set machine level using jacks and blocks

lower the front conveyor

unhook the loader from power pack

Set scale conveyor Unit 132

Use gin pole and loader to hook on to tongue of Unit 132

pull it into place

Set stacker Unit 126

Use gin pole and loader to hook onto lift eyes of Unit 126

pull it into place

Unhook from Stacker Unit 126

Go to Primary Crusher Unit 110

Hook onto electrical box of Unit 110

Lift off and set on ground

Unhook

Subtopic

Take gin pole off of loader

Go to Stacker Unit 126

Pick one side up and turn wheel to radial position

Repeat for opposite side

Put drive chain on

Electrical Setup

Unwrap cords and plug into receptacle into tool trailer

Do not plug in cords with generator running

Hang or place cords to prevent damage

perform continuity/ground resistance test

Final Setup

place handrails

remove stays

take blocks out of cone

remove stays off of cedar rapids

Fill water tank

reattach water system

reattach tie-off cables

reattach spray bar

tighten stacker belt

remove the belt stays

use fall protection

calibrate scale

set plywood

build axle-height berms and ramps

set test trailer

Subtopic


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