For thin wall tank, drill two .52 (13.10mm) dia. holes in tank wall corresponding to centers of gage.
- OR -
If preferred, where tank wall is heavy enough to tap:
Drill and tap two holes per your selected mounting bolt thread (ie. 1/2-20UNF, or M12x1.75, etc.) in tank wall corresponding to centers of gage.
Remove burrs from holes to provide good sealing surfaces. FIG. A, B, C.
Install gage to tank - make sure O-rings are set properly in recess provided, either in gage body or in sealing spacer sleeve, (outside of tank wall between gage and tank). FIG. E
Tighten through bolt with a socket wrench. Torque mounting bolt to 60 inch lbs (6.78N•m). It is not necessary to over compress seals to make a liquid tight seal. FIG. E.
Gages 3.00 through 12.00 (76.20mm through 304.80mm) centers inclusive have tank seals recessed into the gage body - Gages 13.00 through 72.00 (330.20mm through 1828.80mm) centers inclusive are furnished with sealing spacer sleeves.*. FIG. E.
For gages with centers of 48.00 (1219.20mm) or more, center mounting kit brackets are furnished. To install the center mounting kit bracket, tack weld two 1/4-20 full nuts to the tank wall as shown below. FIG. D.
FIG. A
FIG. D
Mounting kit furnished complete
FIG.B
Thin wall tank with access to inside to install (2) nuts