190302cB

Question 1

What must you ensure before removing subassemblies on a machine?

Answer 1

machine is blocked or on suitable stands

Question 2

What should be used to support and move cutting edges?

Answer 2

a suitable hoist or lift truck

Question 3

Why should you clean all rust, scale, dirt, paint, and other debris off the blade and cutting edges before installation?

Answer 3

to ensure good metal to metal support

Question 4

what would dirty contact surfaces between a cutting edge and blade cause?

Answer 4

fasteners + cutting edges to loosen, resulting in elongated fastener mounting holes

Question 5

What should you consider prior to installing a ground engaging tool or point?

Answer 5

the operating conditions

Question 6

what cutting edges can motor graders use in icy road conditions?

Answer 6

scarifying cutting edge

Question 7

when ground penetration is less of a problem, what cutting edges can be used on a bucket?

Answer 7

bolt on

Question 8

when ground penetration is a problem, what cutting edges can be used on a bucket?

Answer 8

weld on

Question 9

How should you tighten down cutting edge fasteners

Answer 9

from centre outward

Question 10

why should you seat the heads of cutting edge fasteners with a heavy hammer after initial torque?

Answer 10

to ensure fasteners are seated properly in the countersunk sections.

Question 11

How should you take off weld-on shanks or adapter shanks?

Answer 11

with a grinder or carbon-arc torch, using minimum heat

Question 12

what are 2 types of rippers?

Answer 12

hinge style and parallelogram style

Question 13

what ripper is better for versatility?

Answer 13

adjustable parallelogram ripper

Question 14

how can you protect buckets, blades, or bowls against wearing action caused by abrasive soils?

Answer 14

hard-surface welding

Question 15

if a wider set of track pads was installed on a dozer, what consideration should be made for the trunnion?

Answer 15

using an adapter plate to ensure adequate clearance between c-frame and tracks

Question 16

what are 2 ways winches can be driven?

Answer 16

hydraulically (pump and motor) or mechanically (pto)

Question 17

what are 2 types of winch brakes?

Answer 17

drum and band, and multi disc

Question 18

which type of winch brake is more suitable for hydraulic control?

Answer 18

multi disc

Question 19

formula for calculating wire rope requirements for a winch?

Answer 19

(D^2 - d^2) x LX

Question 20

what should be noted when replacing wire rope on a winch?

Answer 20

1. direction rope is wound on drum
2. underwound rope provides maximum stability during operation
3. type and size of rope
4. new wire rope is cut to size by the supplier
5. only use wire rope with a pressed on ferrule, or flemished spliced eye with a present on metal sleeve

Question 21

what is seizing?

Answer 21

wrapping the rope on each side of a wire rope cutter with several turns of fine soft wire to prevent cut ends of the rope from unravelling

Question 22

What is the normal condition of brakes on many winches?

Answer 22

off condition