38
TK 56701-1-IM-EN
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d — The factory installed nut plates can be removed to accommodate a truck box
equipped with mounting studs or T-bolts, provided the following procedures are followed and the additional
components (installer supplied) are installed.
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ntt:: Do not install any compressible washers or other materials between the unit and the truck!
1. Remove unit top covers (if applicable).
2. Remove unit bottom pan.
3. Remove muffler and gasket from unit. Discard gasket.
4. Remove the four (4) nut plates from the unit.
5. Confirm mounting studs or T-bolt threads protrude the require length from cargo box. See
6. Position unit into cargo box opening. Do not pull on the drain hoses or electrical wires during the installation.
a. Apply blue thread locker to all four (4) mounting studs or T-bolt threads.
b. Install one (1) washer (555234) and one (1) hex nut (550287) (installer supplied) onto each threaded stud or T-
bolt.
c. Tighten the nuts evenly and then torque to 81.4 N•m (60 ft-lb).
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ntt:: A minimum of 2 thread pitches must extend beyond the surface of the nut — more than 2 may damage
internal unit components.
7. Reinstall muffler with a new gasket (331907) (installer supplied). Torque muffler hardware to 25 N•m (18.3 ft-lb).
8. Disconnect and remove lifting bar and eyebolts from unit.
9. Re-install top covers (if applicable).
10. Re-install bottom pan.
11. Install exhaust extension tube pointing towards rear of truck and tighten bolt securely.
Figure 23.
Additional Components Required (Installer Supplied)
RCS1518-1
2
1
3
1.
Washer
555234
Qty. 4
2.
Hex Nut
550287
Qty. 4
3.
Muffler Gasket
331907
Qty. 1
