Utah Administrative Code
Topic - Public Safety
Title R714 - Highway Patrol
Rule R714-162 - Equipment Standards for Heavy Motor Vehicle, Trailer and Bus Safety Inspections
Section R714-162-10 - Coupling Devices
Universal Citation: UT Admin Code R 714-162-10
Current through Bulletin 2024-06, March 15, 2024
(1) When examining a fifth wheel coupling device, the inspector shall:
(a) check the mounting to frame; and
(i) issue a rejection inspection certificate
when:
(A) a fastener is missing or
ineffective;
(B) any movement
between mounting components is detected; or
(C) a mounting angle iron is cracked or
broken;
(b)
check mounting plates and pivot brackets; and
(i) issue a rejection inspection certificate
when:
(A) a fastener is missing or
ineffective;
(B) any cracks in
welds or parent metal are detected;
(C) more than 3/8 inch horizontal movement
between the pivot bracket pin and bracket exists; or
(D) a pivot bracket pin is missing or not
secured;
(c)
check sliders; and
(i) issue a rejection
inspection certificate when:
(A) a latching
fastener is missing or ineffective;
(B) a fore or aft stop is missing or is not
securely attached;
(C) there is any
movement more than 3/8 inch between the slider bracket and slider base;
or
(D) a slider component is
cracked in the parent metal or weld;
(d) check the lower coupler; and
(i) issue a rejection inspection certificate
when:
(A) horizontal movement between the
upper and lower fifth wheel halves exceeds 1/2 inch;
(B) the operating handle is not in a closed
or locked position;
(C) the kingpin
is not properly engaged;
(D)
separation between upper and lower coupler allows light to show through from
side to side;
(E) a crack is
detected in the fifth wheel plate, unless it is a crack in the fifth wheel
approach ramps or a casting shrinkage crack in the ribs of the body of a cast
fifth wheel; or
(F) a locking
mechanism part is missing, broken, or deformed to the extent the kingpin is not
securely held.
(2) When examining a pintle hooks coupling device, the inspector shall:
(a) check the
pintle hooks for proper mounting to the frame; and
(i) issue a rejection inspection certificate
when:
(A) there is a missing or ineffective
fastener, except a fastener is not considered missing if there is an empty hole
in the device but no corresponding hole in the frame or vice versa;
(B) a mounting surface crack extends from
point of attachment;
(C) a pintle
hook is loosely mounted;
(D) the
frame cross member providing the pintle hook attachment is cracked;
(E) a crack is discovered anywhere in the
pintle hook assembly;
(F) any
welded repairs have been made to the pintle hook;
(G) any part of the horn section has been
reduced by more than 20%; or
(H)
the pintle hook latch is not secure.
(3) When examining a drawbar or tow-bar eye coupling device, the inspector shall:
(a)
check the drawbar or tow-bar eye for proper mounting; and
(i) issue a rejection inspection certificate
when:
(A) a crack in an attachment weld is
present;
(B) a missing or
ineffective fastener is present;
(C) a crack is present; or
(D) any part of the eye is reduced by more
than 20%.
(4) When examining a drawbar or tow-bar tongue coupling device, the inspector shall:
(a) check the drawbar or tow-bar tongue on a
power or manual slider for proper operation; and
(i) issue a rejection inspection certificate
when:
(A) the latching mechanism is
ineffective or disconnected;
(B) a
stop is missing or ineffective;
(C)
there is movement of more than 1/4 inch between the slider and housing;
or
(D) there is a leak, other than
normal oil weeping around the hydraulic seals, including air, hydraulic
cylinders, hoses, or chambers; and
(b) check for cracks and movement of 1/4 inch
between the slider and housing; and
(i) issue
a rejection inspection certificate when:
(A) a
crack is discovered; or
(B) there
is movement of 1/4 inch or more between sub-frame and drawbar at point of
attachment.
(5) When examining all coupling safety devices, the inspector shall:
(a) check for:
(i) missing safety devices such as chains,
metal wire, and rope;
(ii) safety
devices that are unattached or incapable of secure attachment;
(iii) worn chains and hooks; and
(iv) kinked or broken cable strands and
improper clamps or clamping;
(b) issue a rejection inspection certificate
when:
(i) a safety device is
missing;
(ii) a safety device is
unattached;
(iii) a safety device
is incapable of secure attachment;
(iv) a chain and hook are worn to the extent
of a measurable reduction in link cross section;
(v) improper repairs are evident such as
welding, wire, small bolts, rope, or tape;
(vi) a cable is kinked or has broken cable
strands; or
(vii) a cable has
improper clamps or clamping; and
(c) check the saddle-mounts for the method of
attachment; and
(i) issue a rejection
inspection certificate when:
(A) a fastener is
missing or ineffective;
(B) a
mounting is loose;
(C) a stress or
load bearing member is cracked or broken; or
(D) horizontal movement between upper and
lower saddle-mounts exceeds 1/4 inch.
Disclaimer: These regulations may not be the most recent version. Utah may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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