User manual GRACO FF-1600-VR 17942-1-VR SUPPLEMENT

[. . . ] FF-1600-VR Operating Manual Supplement 17942-1-VR WARNING: TO PREVENT SERIOUS BODILY INJURY FROM ELECTRICAL SHOCK, NEVER OPEN THE ELECTRIC CONSOLE OR OTHERWISE SERVICE THE EQUIPMENT BEFORE SWITCHING OFF THE MAIN POWER DISCONNECT AND INTERRUPTING SUPPLY VOLTAGE AT THE SOURCE. [. . . ] BEFORE PERFORMING MAINTENANCE, ALLOW THE HEATER TO COOL TO AVOID BODILY INJURY FROM HOT FLUID OR HOT METAL. PRESSURES UP TO 1600 PSI EXIST IN THE HYDRAULIC COMPONENTS. BEFORE OPENING ANY HYDRAULIC CONNECTIONS OR SERVICING HYDRAULIC COMPONENTS USE EXTREME CAUTION TO ENSURE BLEEDING OF ALL PRESSURES TO ZERO TO AVOID SERIOUS BODILY INJURY FROM FLUID INJECTION. Machine Preparation 1. Disconnect the Main Power. 1/17/02 1 17942-1-VR, Issue 4 FF-1600-VR Operating Manual Supplement Ratio Adjustment Procedure Figure 1. From the back of the machine, grasp one of the Upper Ratio Pins and twist. Recheck that all power (both air & electrical) is disconnected and re-bleed system pressure. When pins rotate freely, remove the Upper Ratio Pin first by depressing center button, then remove the Lower Ratio Pin. Using the Scale as a reference, move the Proportioning Pump to the desired hole on the Upper Ratio Arm. Coat the Upper Ratio Pin with high pressure lube and insert through the Pump Clevis and the desired hole in the Upper Ratio Arm until the spring ball on the pin extends past the far side of the Pump Clevis. [. . . ] After changing the Pump Ratio it may take a few cycles to stabilize the new ratio. 2. 3. 4. 6. 1/17/02 2 17942-1-VR, Issue 4 Mass Heater Conversion Instructions 1/17/02 3 17942-1-VR, Issue 4 FF-1600-VR Operating Manual Supplement NOTES 1/17/02 4 17942-1-VR, Issue 4 [. . . ]