An adhesive melter for use in an adhesive dispensing system, the melter comprising: a melter support frame including a spring-loaded support; a melter tank and a manifold positioned on said melter support frame, said manifold configured to receive molten adhesive from said melter tank; and a pump pack assembly comprising: a rigid frame including a base, a pump support member, a rear support member, and at least one fastener connected to said manifold, said pump support member and said rear support member being coupled to said base; a pump coupled to said pump support member for directing a flow of molten adhesive through said manifold; a motor coupled to said rear support member; and a drive coupling that operatively connects said pump to said motor, said pump pack assembly being collectively mounted as a unit on said melter support frame by positioning said rigid frame on said spring-loaded support, said pump support member being positioned in fluid-tight engagement with said manifold accommodating the flow of molten adhesive between said pump and said manifold, said spring-loaded support positioned to assist with resiliently carrying said pump pack assembly at said base as a cantilever load. a melter support frame including a spring-loaded support; a melter tank and a manifold positioned on said melter support frame, said manifold configured to receive molten adhesive from said melter tank; and a pump pack assembly comprising: a rigid frame including a base, a pump support member, a rear support member, and at least one fastener connected to said manifold, said pump support member and said rear support member being coupled to said base; a pump coupled to said pump support member for directing a flow of molten adhesive through said manifold; a motor coupled to said rear support member; and a drive coupling that operatively connects said pump to said motor, said pump pack assembly being collectively mounted as a unit on said melter support frame by positioning said rigid frame on said spring-loaded support, said pump support member being positioned in fluid-tight engagement with said manifold accommodating the flow of molten adhesive between said pump and said manifold, said spring-loaded support positioned to assist with resiliently carrying said pump pack assembly at said base as a cantilever load. a rigid frame including a base, a pump support member, a rear support member, and at least one fastener connected to said manifold, said pump support member and said rear support member being coupled to said base; a pump coupled to said pump support member for directing a flow of molten adhesive through said manifold; a motor coupled to said rear support member; and a drive coupling that operatively connects said pump to said motor, said pump pack assembly being collectively mounted as a unit on said melter support frame by positioning said rigid frame on said spring-loaded support, said pump support member being positioned in fluid-tight engagement with said manifold accommodating the flow of molten adhesive between said pump and said manifold, said spring-loaded support positioned to assist with resiliently carrying said pump pack assembly at said base as a cantilever load.