HydraMaster Steamatic 8800 TMU, Owner'S Manual, Page: 56 / 148

Machine Maintenance - 5-14
Steamatic 8800 TMU
Replacing the Seal Assemblies
only one seal kit (P/N 078-518) is necessary to repair all the seals in the pump (see
figure 5-12). Use an insertion tool for seal installation
To install a seal assembly:
Apply a film of O-ring grease on the O-ring on the outside of the new high pressure seal.
1.
Insert the high pressure seal into the cavity with the “U” shape down. 2.
Press high pressure seal into place. 3.
Apply a film of grease on the O-ring on the brass retainer (see
4. figure 5-13).
figure 5-13. Install Seal assembly using o-ring grease
figure 5-12. Seal kit and Insertion tool for Seal Installation