Hi SCF and welcome to the forum!
I haven't checked it out myself but I know if you go to the Revell-Monogram website, you can find their instructiosn sheets in PDF format. Just go to their plastic model section, find the kit you have and then click on the instructions link. This is just a guess but maybe you'll find that 90% of the models listed will have the instruction sheets which you can download and print. Hopefully yours is one of them.
Best wishes,
Eric
[Edit] I just checked the Revell web site and no luck. I read that the 1/72 version goes together pretty much the same as the 1/48 version. I checked the 1/48 offering and they do not have the instructions posted.