JH00033 PARTS-SERVICE September 20, 1996 E30-50FR GRAM Subject: Thread Sealant for Hydraulic Fittings Hydraulic fluid can become contaminated, clog the small valve openings and damage the O-ring seals. This occurs if materials such as Teflon tape or excessive amounts of sealant compound get into the hydraulic system. Be sure to use adequate but not excessive amounts of LocTite®545 Pneumatic/Hydraulic sealant, or equivalent, on all hydraulic connections. We reserve the right to make changes in design or add improvements without incur- ring the obligation to make such changes in equipment previously manufactured.