Service Bulletin: SB 058.1
Subject: Main Drive Lubricant
All MARK series G-1000 machines with serial numbers through G-1000-V-XXXX-3300 have a Viking GG-195 model main drive lubrication pump (ref. Service Bulletin 2-10-74). In order to use the higher viscosity main drive lubricant (ref. Service Bulletin 32-9-76) it is advisable to change this original pump to a heavy duty Viking model HJ-195 with a positive drive sprocket retention.
Installation is an shown on enclosed print 29226-C. All components to complete the and require four to six weeks to ship.