Ramptech, Inc. | Ramptech's Inspection Guidelines

Inspección de Chocks

Here is the easiest way to inspect, Holden Grate Lock Chocks. In the inspection, you must identify whether a chock is serviceable or if it should be sent in for repair. There are two parts to properly inspecting a chock:


	a) A physical inspection b) An operational check

Both are equally important due to the possibly of unseen damages. Also included are two field-level repairs that may be performed on the spot. It is our experience if the steps below are followed all damage chocks will be identified.

Both parts are equally important due to the possibly of unseen damages. It has been our experience that if you follow the steps below, you will identify all of your damaged chocks.

Please note that there are two field-level repairs you may perform on the spot and are included in Authorized Field Maintenance.

1. Inspect the chock for any of the following physical damage:


	•		Handle broken or cracked. (Illustration #1)
	•		Base broken, cracked or warped. Ensure no roll pins are missing and are flush within +/- 3mm (1/8"). (Illustration #2-6)
	•		Base cleats bent or missing. (Illustration #7) Note: All the cleats should be straight. If two adjacent cleats or a total of three or more cleats are bent or missing, the chock must be sent in for repair. You may remove bent cleats and place the chock back into service providing the cleat damage does not meet the above criteria. (See Authorized Field Maintenance)

Illustration #1

Illustration #2

Illustration #3

Illustration #4

Illustration #5

Illustration #6

Illustration #7


	•		Steel teeth bent or folded over. (Illustration #8)
	•		Aluminum teeth stretched, broken, or cracked in any way (0% tolerance). (Illustration #9, 10)

Illustration #8

Illustration #9

Illustration #10


	•		Handle lock broken, bent, cracked, or missing. (See Authorized Field Maintenance) (Illustration #11)
	•		Strut broken, cracked, or warped. (Illustration #12-16)
	•		Strut arm bent or warped. (Illustration #17-19)

Illustration #11

Illustration #12

Illustration #13

Illustration #14

Illustration #15

Illustration #16

Illustration #17

Illustration #18

Illustration #19


	•		Strut tabs towards rear of chock bent. (Illustration #20)
	•		Face plate broken or cracked. (Illustration #21, 22)
	•		Face plate tabs bent, missing, or cracked. Be sure to look for hairline cracks at the joint of the tab and the plate. (Illustration #23)

Illustration #20

Illustration #21

Illustration #22

Illustration #23

2. Operational check of chock.

•

Handle operation check.

	-		Move handle from the full closed position to the full open position, and then move back to full closed position. (Illustration #24, 25)
	-		The handle should move easily with no extreme binding. The handle lock (green and red) should stop the handle from unwanted movement. Note: When opening the handle, a small force should be required. If the handle moves to the full open position without a snap-like resistance, then the cam latch assembly inside the chock is defective, and, at this point, it should be sent in for repair.

Illustration #24

Illustration #25

•

Faceplate and strut check.

	-		Press down firmly on middle of strut and pull the bottom of the faceplate away from the base, then lift. The faceplate should move away from the base and, as you lift, you should have free upwards movement. (Illustration #26)
	-		Move the faceplate and strut to the top position and release faceplate. The faceplate should snap into place. (Illustration #27, 28)
	-		Next, close the chock by pushing slightly down on the strut and again pulling out the faceplate. The faceplate should disengage from the base and the pressure on the strut should make it easy to return the chock to the down position.
	-		During the opening and closing of the faceplate and strut, you should not experience any binding of the faceplate against the base or on the pivot pin joint of the faceplate and strut.

Illustration #26

Illustration #27

Illustration #28

•

Tooth alignment check.

	-		Open the handle half way, so it is pointing straight up. (Illustration #29)
	-		Place the chock on a piece of grating so the back row of teeth is touching one of the grating rods. (Illustration #30)

•

Faceplate and strut check.

	-		Push the chock down to snap it in place. The chock should sit flush on the grating with the cleats of the base as far into the grating as possible. (Illustration #31)
	-		Move the handle to the closed position. The handle should move easily and snap into the locked position. (Illustration #31)

Illustration #29

Illustration #30

Illustration #31

•

Tooth alignment check (continued).

Finally, remove the chock by moving the handle to the open position and lifting the chock. Repeat this process; this time, however, set the middle teeth against the grating rod. (Illustration #32, 33)

Illustration #32

Illustration #33


After performing the chock inspection you will have determined whether it is serviceable or if it needs to be sent in for repair. If the chock is serviceable, stow it in the appropriate storage pan. Damaged chocks should be stored in a separate bin.

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