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Normal operations – MEGA Corp. MHT175-CAT777-OPS-1 User Manual

Page 22

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MHT175-CAT777(G)-1

1 Aug 2012

SECTION 3

Normal Operations

4-4



Hitch ball oscillations greater than 12° will
result in hitch ball contact with hitch socket
upper retaining plate. Repeated contact may
cause failure of upper hitch socket retaining
plate bolts and reduce service life of the hitch
ball assembly.

7. Once the trailer has been dumped the

operator can then allow the truck to shift as
necessary while he/she is closing the
doors.

8. Once the doors have reached the closed

position the operator must then return the
dump lever to the hold position with no
hesitation in the float setting.

9. If there is any hesitation passing through

the float position, the operator must reopen
the doors slightly and close them again
without hesitation.

10. Continue Safely back to the pit driving

appropriate to the road conditions.


AFTER OPERATIONS

These procedures are used to perform a walk-
around inspection after using the MHT175-
CAT777(G) system. This inspection is in
addition to and does not replace the CAT
777(G) inspection requirements.

1. Vehicle Engine – AS REQUIRED

2. Chocks – INSTALLED AS REQUIRED

3. Transmission Control Lever – P (Park)

4. Hoist Control Lever – HOLD


5. Hitch Ball Retaining Plate –– CHECKED

FOR DAMAGE AND SECURITY (Lift
ball skirt and check for loose or sheared
bolt heads.)


6. Turn Limit Indicator – CHECKED FOR

SECURITY AND DAMAGE


7. Upper Deck Assembly – CHECKED FOR

DAMAGE AND SECURITY


8. Upper Hitch and Hydraulic Hosing –

CHECKED FOR DAMAGE, SECURITY
AND LEAKS


9. Upper

Gooseneck

and

Hosing

CHECKED FOR DAMAGE, SECURITY
AND LEAKS

10. Chassis Hydraulic Tank – SERVICED

11. LH Hitch Deck and Fender – CHECKED

AND SECURED

12. Gooseneck, Access Panels and Mud Flaps

CHECKED AND SECURED


13. LH Door Hydraulic Cylinders, Structure

Cavity Drain Holes and Lights –
CHECKED FOR DAMAGE, SECURITY
AND LEAKS

14. Trailer Axle Frame Assembly, Axle

Assembly, Manifolds and Accumulators –
CHECK FOR DAMAGE, SECURITY
AND LEAKS


15. Tail Light Assemblies – CHECKED FOR

DAMAGE