Information injection-pump assembly
ZEXEL
101601-2780
1016012780
HINO
220003882A
220003882a
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Pressing Parts
When one part is pressed into another, use white lead or a suitable prepared compound to lubricate the mating surfaces.Assemble tapered parts dry. Before assembling parts with tapered splines, be sure the splines are clean, dry and free from burrs. Position the parts together by hand to mesh the splines before applying pressure.Parts which are fitted together with tapered splines are always very tight. If they are not tight, inspect the tapered splines and discard the part if the splines are worn.Bolts And Bolt Torque
Use bolts of the correct length. A bolt which is too long may "bottom" before the head is tight against the part it is to hold. The threads can be damaged when a "long" bolt is removed.If a bolt is too short, there may not be enough threads engaged to hold the part securely.Apply proper torque values to all bolts and nuts when assembling Caterpillar equipment. When a specific torque value is required, the value is listed in the SPECIFICATIONS or the DISASSEMBLY AND ASSEMBLY sections of the Service Manual. Tighten all other bolts and nuts for general usage, hydraulic valve bodies, or taperlock studs to the torque values given in the charts at the front of the SPECIFICATIONS.Locks
Lockwashers, flat metal locks or cotter pins are used to lock nuts and bolts.Flat metal locks must be installed properly to be effective. Bend one end of the lock around the edge of the part. Bend the other end against one flat surface of the nut or bolt head.Always install new locks in compartments which house moving parts.When installing lockwashers on housings made of aluminum, use a flat washer between the lockwasher and the housing.
Correct and incorrect methods of installing flat metal locks.
Correct and incorrect method for lock positioning and bending.Lines And Wires
When removing or disconnecting a group of lines or wires, tag each one to assure proper assembly.Lubrication
Where applicable, fill the compartments of the components serviced with the amount, type and grade of lubricant recommended in the Lubrication and Maintenance Information part of this Manual.Rust Preventive Compound
Clean the rust preventive compound from all machined surfaces of new parts before installing them.Shims
When shims are removed, tie them together and identify them as to location. Keep shims clean and flat until they are reinstalled.Bearings
Anti-Friction Bearings
When an anti-friction bearing is removed, cover it to keep out dirt and abrasives. Wash bearings in nonflammable cleaning solution and allow them to drain dry. The bearing may be dried with compressed air but do not spin the bearing.Discard the bearings if the races and balls or rollers are pitted, scored or burned. If the bearing is serviceable, coat it with oil and wrap it in clean paper. Do not unwrap new bearings until time of installation.The life of an anti-friction bearing will be shortened if not properly lubricated. Dirt in an anti-friction bearing can cause the bearing to lock resulting in the shaft turning in the inner race or the outer race turning within the cage.
Effect of dirt in bearing.Double
When one part is pressed into another, use white lead or a suitable prepared compound to lubricate the mating surfaces.Assemble tapered parts dry. Before assembling parts with tapered splines, be sure the splines are clean, dry and free from burrs. Position the parts together by hand to mesh the splines before applying pressure.Parts which are fitted together with tapered splines are always very tight. If they are not tight, inspect the tapered splines and discard the part if the splines are worn.Bolts And Bolt Torque
Use bolts of the correct length. A bolt which is too long may "bottom" before the head is tight against the part it is to hold. The threads can be damaged when a "long" bolt is removed.If a bolt is too short, there may not be enough threads engaged to hold the part securely.Apply proper torque values to all bolts and nuts when assembling Caterpillar equipment. When a specific torque value is required, the value is listed in the SPECIFICATIONS or the DISASSEMBLY AND ASSEMBLY sections of the Service Manual. Tighten all other bolts and nuts for general usage, hydraulic valve bodies, or taperlock studs to the torque values given in the charts at the front of the SPECIFICATIONS.Locks
Lockwashers, flat metal locks or cotter pins are used to lock nuts and bolts.Flat metal locks must be installed properly to be effective. Bend one end of the lock around the edge of the part. Bend the other end against one flat surface of the nut or bolt head.Always install new locks in compartments which house moving parts.When installing lockwashers on housings made of aluminum, use a flat washer between the lockwasher and the housing.
Correct and incorrect methods of installing flat metal locks.
Correct and incorrect method for lock positioning and bending.Lines And Wires
When removing or disconnecting a group of lines or wires, tag each one to assure proper assembly.Lubrication
Where applicable, fill the compartments of the components serviced with the amount, type and grade of lubricant recommended in the Lubrication and Maintenance Information part of this Manual.Rust Preventive Compound
Clean the rust preventive compound from all machined surfaces of new parts before installing them.Shims
When shims are removed, tie them together and identify them as to location. Keep shims clean and flat until they are reinstalled.Bearings
Anti-Friction Bearings
When an anti-friction bearing is removed, cover it to keep out dirt and abrasives. Wash bearings in nonflammable cleaning solution and allow them to drain dry. The bearing may be dried with compressed air but do not spin the bearing.Discard the bearings if the races and balls or rollers are pitted, scored or burned. If the bearing is serviceable, coat it with oil and wrap it in clean paper. Do not unwrap new bearings until time of installation.The life of an anti-friction bearing will be shortened if not properly lubricated. Dirt in an anti-friction bearing can cause the bearing to lock resulting in the shaft turning in the inner race or the outer race turning within the cage.
Effect of dirt in bearing.Double