1, Cementing Truck Special Equipment Maintenance
Maintenance cycle and executor
1. The first maintenance: 120 ~ 150 hours; executor - the drivers, the Secretary pump.
2. The second maintenance: 400 ~ 450 hours; executor - the service station.
3. Third maintenance: 1100 ~ 1350 hours; executor - the service station.
Maintenance content
1. Cement pump
(1) The first maintenance
1) Check the pump casing cleaning wells, safety valves, oil filter.
2) Check the rubber where Seoul, where Seoul springs, rubber piston damage should be replaced.
3) Check the rod packing, packing worm, adjustment or replacement.
4) Check the piston rod and cap, and the cap and tighten the crosshead.
5) Check the base, shaft, head, cylinder head and screw the connecting parts and tighten.
6) Check the gear box oil, and add to be insufficient.
7) Check the engine oil pump, the lubricating oil pipe is smooth.
(2) The second maintenance (including The first maintenance job content)
1) Check the crosshead slide gap, and crosshead pin fixed situation.
2) wash gear box, change the oil.
3) Check the liner and the liner rubber ring, replace if necessary.
4) Check the body where Seoul, where Seoul seat is good, replace where Seoul and Seoul where the rubber mat cover if necessary.
5) Check the box Vice tooth gear case.
(3) Third maintenance (including The second maintenance job content)
1) Check the worm, the worm backlash, and make adjustments.
2) Check the crank and connecting rod bearing clearance, and thick whole.
3) Check the crosshead bearing clearance (or copper sleeve gap), and replace if necessary.
2. 1B piston pump gear
(1) The first maintenance
1) to the tooth pump, piston filling part of the lubrication oil.
2) to transmission gears, sprockets, chains butter.
3) Clean and tighten the ministries of external screws.
(2) The second maintenance (including The first maintenance job content)
1) Check the twist adjustment gear (shaft, coupling section, etc.).
2) Check and replace the rubber where Seoul, where Seoul cushion cover, filling the ministries packing.
(3) Third maintenance The second maintenance job with the content.
3. Auxiliary equipment
(1) The first maintenance
1) Check the mixing hopper, and keep clean.
2) Check whether high and low gate leakage.
3) Clean the high and low pressure pipelines and Swivel joint, Swivel joint flexible, non-blocking phenomenon.
4) Preparation of parts must be clean.
5) All the screw connections must tighten.
(2) The second maintenance (including The first maintenance job content)
1) Check and repair tanks, portable gates and ruler.
2) Check and repair Pup joint, Swivel joint, replacing the packing or ball.
3) maintenance, grinding high and low gate.
(3) Third maintenance The second maintenance job with the content.
2, Cementing Truck parts and maintenance
A, The first maintenance
1. Engine parts
If (1) Check for leaks around the engine, oil spills, leaks, leakage place, tighten its screw inspection, if necessary, replace the gasket or seal.
(2) Check the crankcase oil quality, and replaced with new oil if necessary.
(3) Check the valve and valve rocker lubrication, if necessary through the wash.
Fixed case (4) Check the fuel tank, the release of moisture and dirt tank.
(5) clean diesel thickness filter, replace it if necessary Village pad.
(6) washable air filter, air compressor filter, respirator filters, according to the provisions of filling the new oil.
(7) Check the high pressure fuel pump and governor work, fastening plate screws, check Tatra pump oil.
(8) Check for pump work and clear the oil cup dirt.
(9) Tighten the screws foot tank, engine and all hoses foot screw clamps.
Working conditions (10) to check the pump and tighten its screws.
(11) tightness check and thick whole fan belt and replace if necessary.
(12) Check the blinds, water tank switch is easy to use and flexible, and repair intact.
(13) for inspection and cleaning Tatra hairdryer, well and maintain secure and tight.
2. Most electrical equipment
(1) Check the lamp wiring system in good condition, with tape wrapped their damaged parts, brass fittings thread ends has filled and should be given to ensure good contact.
(2) Check the battery
1) electro-hydraulic proportion should be up to standard, liquid height of 10 to 15 mm above the plate.
2) Clean shell, pores open, trailer coupling, bridge cleaning solid, cast pile head a small amount of butter, a good contact.
3) Battery device securely fastened.
(3) Check the generator and regulator looks clean, lubricate its bearings.
(4) Check the starter exterior cleaning, lubricating its bearings, check the transmission mechanism.
Intact and installation (5) Check the horn, lights, brake lights and other lighting signal equipment.
(6) Check the meter, thermometer, barometer, fuel gauge, oil pressure gauge, oil sensors, odometer and other instruments intact and installation.
(7) Check and clean the exchange switch.
3. Chassis parts
(1) front axle and steering system
1) Check the front tires have all the normal wear and tear, proofreading front toe when necessary.
2) Check for cracks joist.
3) securing the steering fixed machine parts, steering column and steering wheel, check the steering straight horizontal rod, steering connections and fixing of arm joints, put the cotter pin.
4) Check the amount of free rotation of the steering wheel.
5) Check the steering oil in the shell, and add a little insufficient.
6) securing the shock bolts connecting rod.
(2) the drive train
1) Check the tightness of the shaft expansion joints, universal joints and central marble plate, tighten the connecting screws.
2) Check the transmission, transfer case, differential oil, add enough insufficient tightening its connection screws.
3) Check the tires and tighten the screws and screw axle.
(3) Brake System
1) Check the brake system and ministries pipeline joints are smooth, without damage, the exhausted air reservoir of water and oil.
2) Check the brake master cylinder, wheel cylinder work, adjust their travel up to standard.
3) Check the hand brake, foot brake lever coupling mechanism is flexible and easy to use, complete with a cotter pin, if necessary, adjust the gap.
4) Adjust the foot brake pedal free travel.
(4) frame and suspension mechanism
1) front and rear leaf springs check whether moving or broken string, if the string move or break and should be trimmed or replaced.
2) Check the leaf spring tightened around each riding plate screws and lock nuts.
3) Check the frame and tighten the screw joint inspection, bumper and trailer hook bolts.
4) complete with all grease fittings.
4. Cab and Body
(1) the hood and fender cab
1) Check and tighten the cab with a large beam connecting bolts.
2) Check the doors, door locks, door shake machine, stretch, wipers, etc. intact and working conditions.
3) Check and tighten the hood, fender, engine fenders, fender tires, pedals, mufflers connecting screws, and complete with pads and spring washers.
(2) car-slot backplane
1) securing car slot backplane connector screws.
2) tighten the clamp screw naked, complete with spring washers or flat pad.
5. Lubrication jobs
(1) complete with all the grease fittings.
(2) gearbox, differential, direction, according to the standard black add a little oil.
(3) the crankcase, generator, starter, clutch connecting rod bearings and ministries active part, should raise the standard oil.
Two, The second maintenance (including The first maintenance job content)
1. Engine part
(1) at normal engine temperature, measured cylinder pressure, if necessary, grinding the valve.
(2) the thickness of the oil filter core washable.
(3) Remove the crankcase, cleaning the oil pan and oil drift, checking and proofreading the crankshaft and connecting rod bearings, according to the provisions of filling the new oil.
(4) checking and proofreading foot valve clearance, valve springs should be replaced if broken.
(5) repair welding tank, trimming its loss and uneven areas.
(6) Diesel thickness washable filter, replace it if necessary filter.
(7) to check and proofread high-pressure pump, the governor, to replace its damaged parts individually.
(8) to check and proofread injector head, needle valve wear, grinding repair or replacement.
(9) Check and school rivals pumps, feed pump.
(10) Maintenance tank leaks, and for water and pressure testing (including oil radiator repair).
(11) Check the pump, fan leaves, thermostat, repair if necessary.
(12) Cleaning Tatra engine heat sink.
Working conditions (13) Check the air compressor, if necessary, replace the valve.
(14) to check whether there are cracks in the flywheel housing and tighten the screws.
(15) Check the clutch performance, and thick plate with a slice of whole gap and pedals free travel.
2. Electrical equipment - Part
(1) Check the entire vehicle electrical equipment and wires intact and fixed the situation, according to the need to replace part of the wire.
(2) Check the battery in each battery pack battery case fixed shell, and in the case of load conditions check the voltage of each battery pack and charging when necessary, or replace the battery pack.
(3) Check the generator, starter fixed situation, remove the protective cover, check the status of the commutator and brushes, brush springs replace if necessary.
(4) Clean the fastening regulator, check the contact gap, examine its role.
(5) Check the electrical instrumentation work, instrument failure repair or replacement.
(6) Check and adjust the exchange switch.
3. Chassis part
(1) front axle and steering system
1) proofreading front toe.
2) Check the joist, knuckle box and bushing cope with the situation.
3) Check the steering arm straight horizontal rod and connector loose, bent, damaged phenomenon, repair and replacement if necessary.
4) Adjust the steering machine backlash worm with teeth.
5) Check the shock absorber effect, if necessary, add enough liquid suspension.
(2) the drive train
1) Check the drive shaft expansion joints, the technical condition of intermediate bearing joints and, if necessary, make the repair or replacement
With (exchange joint direction).
2) Check the transmission, transfer case shift work, as required disassemble the lid, check for wear and related equipment with the clearance of the gear.
3) Check the differential (including before, during and after) functioning, removal cover if necessary, check the main reducer, differential engagement circumstances, or removing the rear end drive shaft universal joints, adjust the bevel gear meshing situation.
4) Remove the front, middle and rear tire assembly, check front and rear wheel bearings and oil seals in good condition, the front and rear axle steering knuckle threaded steel sleeve in good condition, and add oil.
(3) Brake System
1) Check the brake shoe wear and the brake drum, such as failure, should be re-riveted brake shoe.
2) Check the brake master cylinders, wheel cylinders, brake technical condition, repair or replace their damaged connection and sealing the case parts, equipment parts and transmission equipment, and adjust the amount of its leverage.
3) repair and adjust the hand brake and connecting mechanism, brake shoe should not be one-sided.
(4) frame and suspension mechanism
1) Check the spring, should be replaced if broken.
2) Check whether grinding steel lugs beams, as well as with the case of steel and copper pin sets, should be replaced when worn overrun.
3) Check the girders and reinforcement (ingot beam) for cracks or rivets, screws loose, if necessary, should be riveting.
4. Cab and Body
(1) cab, engine cover and fender
1) repair the car door locks, door shake machine and stretching, wipers, etc.
2) riveting repair the engine cover, rupture and uneven at the grille, leaves to the plate, engine and tire fenders, pedals, muffler.
3) repair upholstery chairs.
(2) car-slot backplane
1) Check the condition of the bolt connection technology departments, and replace if necessary.
2) Check for damage to the car tank floor, partial repair.
5. The second maintenance lubrication The first maintenance job with the job content.
Three, Third maintenance (including The second maintenance job content)
1. Engine part
(1) Remove the cylinder cover, remove coke.
(2) check valves, valve seats, remove coke, grinding valves.
(3) Check the cylinder wear, out of round and oblique difference did not reach the limits of those repairs with the engine cylinder liner, the liner should be turned 90 ° to use.
(4) Check the piston rings, piston pins and copper sleeve, replace if necessary.
(5) Check the crankshaft and connecting rod bearings cope with the situation.
(6) clean engine waterways and waterways of sediment.
(7) dismantling the intake and exhaust manifolds, remove coke replacement Village pad if necessary.
(8) Check the oil pump's work, if necessary, be revised to change.
(9) washable feed pump, hand pump, governor, injector head test its performance and working conditions, to replace its damaged parts if necessary.
(10) through the wash tank, repair the rupture.
(11) Maintenance pump.
(12) washable air compressors, cleaning pistons, piston rings, piston pin and connecting rod, intake and exhaust valves and piping, exhaust valve control pressure adjustment when necessary.
Effectiveness (13) Check the clutch, clutch assembly, disassembly, as required; check the cleaning clutch disc, pressure plate, springs and bearings, check the clutch pressure and release lever plane.
2. Electrical equipment - Part
(1) washable battery, check the technical condition of the housing and the separator, replace the fluid, recharged.
(2) to disassemble and clean technology status generator, starter, check that all components and test its performance.
(3) to disassemble and clean the regulator, to test its technical performance, adjust the contact gap in each group.
(4) to disassemble and clean the instruments, sensors and speakers, try in their role as needed to be replaced.
(5) Check the operation of the exchange switch, if necessary, repair or replace their damaged parts.
3. Chassis part
(1) front axle and steering system
1) washable pre-joist, check-beam steering technology status section.
2) disassemble and clean the steering arm, steering rod and the technical condition of the straight arch joints and other parts of.
3) Check the steering gear housing clean, washable steering as required, check the technical condition of the various parts, and replacement of oil.
4) washable shock absorbers, check the technical condition of the various parts, and repair or replacement.
(2) the drive train
1) Remove the drive shaft expansion joints, clean check and correct the curvature of the shaft, depending on the need to replace the ball bearings.
2) Remove the transmission, transfer case cover, check the technical condition of the gears and shift mechanism, depending on the need to break up the transmission, transfer case, check or replace the gears, bearings and seals, gaskets.
Top 3) removed, the rear axle and differential reducer cover, check the main reduction gear, differential gear case. Conical gear backlash, as required washable before, during and after the bridge, check the gears, bearings and seals of the state of technology, to replace its liner.
(3) Brake System
1) Remove the cleaning brake drums, brake repair pallets, brake shoes, brake shoe shaft, cam and support expansion of open and so on.
2) washable brake master cylinders, wheel cylinders, brake valve, accumulator, check the technical condition of the parts and repairs.
3) Adjust the hand brake free travel, such as when disassembling the gearbox, then break up the hand brake at the same time, check the technical condition of the parts, if necessary, replace the new shoe.
(4) frame and suspension mechanism
1) front leaf spring break, cleaned and smeared grease.
2) Check the steel lugs, rivets, riveting lug heavy when necessary. When steel pin and wear gauge copper sleeve, should be replaced.
3) repair riveting girders, beams of gold broken parts, heavy riveting rivets loose or displacement.
4. Cab and Body
(1) cab, engine cover and fender
1) Maintenance cab shape, uneven at school riveting rupture.
2) Check the car door, the door shaking machine, wipers and other technical condition and repair, to ensure good performance.
3) school up the hood, grille, fender, engine and tire fenders, pedals, muffler.
4) repair or replace the seat backrest.
(2) car-slot backplane
1) Check and replace car slot backplane and clamp bolts, clips, etc., well filled and spring washer or flat pad.
2) Check and repair the car slot backplane.
5. Final assembly and test
1) Check the entire vehicle assembly and maintenance operations are complete.
2) Check the tire pressure by the driver.
3) road test to check the effectiveness of the ministries.