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57
WELDING FLAT OF MOUNTING CHANNEL 
TO VEHICLE BODY (LH STEP SHOWN)
FIG. 57-1
8. Repeat instructions 3 through 7 
for RH step. Use the RH Step As-
sembly (Kit item).
7. Weld the fl at part of the mounting 
channel to vehicle body as shown 
in FIG. 57-1.
NOTE: Before welding mounting channel to 
vehicle body, ensure step is straight 
and steps are in vertical position. 
STEP 14 - BOLT STEPS TO EXTENSION PLATE 
 - Continued
3/16”
WELD TO AS MUCH 
I-BEAM FLANGE & 
REAR SILL AS POSSIBLE 
I-BEAM 
(VEHICLE BODY)
REAR SILL
3/16”
MOUNTING 
CHANNEL
RECONNECTING POWER
FIG. 57-2
9. Reconnect power to the pump by 
    reconnecting positive (+) and nega-
    tive (-) cables to battery (FIG. 57-1).
    Reinstall and tighten nut when each 
    battery cable is reconnected.
POSITIVE (+)
 BATTERY POST
NEGATIVE (-)
 BATTERY CABLE
NEGATIVE (-)
 BATTERY POST
NUT
POSITIVE (+)
 BATTERY CABLE