Normal operations – MEGA Corp. MHT175-CAT777-OPS-1 User Manual
Page 22

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