9 steps about the inspection checklist for jaw crusher:
1). If the crusher's teeth plate has a jitter, we could hear the impact sound of metal
Cause: crusher's cavity plate or teeth plate have a looseness, a fixed bolt or breakage have a looseness;
Solution: stop the machine and check it, using a hammer to fixed wedge On the side wall, and then tighten the mounting bolts or replace damaged bolts.
2). The bearing pad of thrust plate has a impact sound
Cause: Spring tension is insufficient or has been damaged, the bearing pad of thrust plate occurs a wear;
Solution: adjust the spring tension or replace the spring, replace the bearing pad or thrust plate;
3). The head of connecting rod has a impact sound
Cause: the eccentric's bushing occurs a wear;
Solution: re-scraping or replace bushings;
4). Broken product size increases
Cause: the bottom of broken tooth plate has a badly wear;
Solution: shrink the size of throat or making the bearing pad of thrust plate exchange 180 degrees;
4). Broken product size increases
Cause: the bottom of broken tooth plate has a badly wear;
Solution: shrink the size of throat or making the thrust plate exchange 180 degrees;
5). The jaw stops swinging, the connecting rod swings back and forth, the rod spring is slack.
Cause: the thrust plate is damaged or cut;
Solution: replace with new thrust plate, strengthening cleaning iron work and prohibit strictly the non-broken things fall into the crushing chamber;
6). The thrust plate fall off from the supporting pad
Cause: tie rod or rod spring is damaged, tie rod nut tripping;
Solution: replace defective parts, and re-install the thrust plate;
7). Flywheel significant swing, eccentric shaft rotation becomes slow
Cause: the connection key coupled with the eccentric shaft pulley key become loose or damaged;
Solution: replace the connection key;
8). the rolling bearing is hot
Cause and Solution: if the oil is insufficient, you should be a moderate amount of fuel; If oil is not good, you should be an oil change; If the assembly is too tight, you should be adjusted; If a belt is too tight, you should loose it;;
9). The host can not rotate.
Cause: The motor has been burned or the broken belt is too loose;
Solution: inspect the motor or fasten the belt;