Assessments - 2, GPA: 3.5
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Then loosen it completely. Clear tip/nozzle or hose. Trigger Lock Always engage trigger lock when you stop dispensing to prevent gun from being triggered accidentally by hand or if dropped or bumped. To engage trigger lock, release trigger and rotate lock downward. See Fig. 1. To disengage trigger lock, rotate it upward. See Fig. 2. If material hose will be suspended by a hanger or tool balancer, route hose through the suspension device before securing each end of material hose. To help prevent injuries, follow this procedure when you shut off the flow gun and before checking or adjusting any part of gun. ti3795a Do not try to force trigger valve open with trigger lock engaged. This could result in component failure. FIG. 1: Trigger Lock Engaged FIG. 2: Trigger Lock Disengaged Trigger Lock Engaged Trigger Lock Disengaged Troubleshooting Troubleshooting Problem Cause Solution Gun fails to dispense when trigger is actuated Material lodged in nozzle Follow Pressure Relief Procedure, page 5. Clear nozzle of blockage. Material supply, hose, passages, clogged Check material supply settings, hoses, etc. for proper material supply. Verify integrity of trigger pin through yoke. Repair or replace cartridge assembly as necessary. Gun fails to dispense when trigger is engaged Tension of trigger needs adjustment Check spring tension adjustment at rear of gun. Spring tension should be adjusted to allow approximately 1/32 in. of free play on trigger. Verify integrity of trigger pin through yoke. Repair or replace cartridge assembly as necessary. Needle and seat adapter loose or worn Check that seat adapter is tightened firmly and flush to gun body. Needle and seat adapter worn. Replace components as necessary. Seal leakage Packing adjustment nut not snug Follow Pressure Relief Procedure, page 5. Tighten packing adjustment nut. Worn seals and packings Rebuild gun as necessary. Material leaks from gun inlet swivel Worn seals Replace seals. 6 309739 Troubleshooting 309739 7 Service Service Models 12004, 12004X Disassembly 1. Actuate gun to purge material and relieve pressure in gun. Pressure Relief Procedure, page 5. 2. Disconnect material supply line from gun handle. 3. Hold adapter (9) stationary and unscrew nozzle and collar (16). 4. With trigger depressed, unscrew adapter (9) from gun body (17). 5. Remove o-ring (10) from adapter (9). 6. Loosen lock nut (14). 7. Carefully unscrew and remove spring retainer (15) and spring (13) from the gun body (17). 8. Remove screw (11) and lock washer (23) from side of trigger (18). 9. Pull trigger pins (12) from gun body (17) and remove trigger (18). 10. Unscrew packing nut (5) from gun body (17). 11. Remove cartridge assembly through side of gun handle. Cartridge Disassembly Procedure 1. Remove o-ring (4) from groove on packing nut (5). 2. Loosen lock nut (14) on cartridge while holding yoke (1) in a soft 3. Separate needle/ball (8) from yoke (1) using the slot in needle/ball to unscrew the yoke. 4. Remove adjusting screw (3) from packing nut (5). Then, separate needle/ball (8) from packing support (7). 5. Push seals (6) out of packing nut (5). Nut Needle/ball O-Ring Yoke Packing Nut Adjusting Screw Packing Support Seal ti3810a Reassembly Clean all parts thoroughly before reassembling. Check them carefully for damage or wear, replacing parts as needed. For best results replace the original parts with new parts in repair kits. Prior to assembly, lubricate all seals and o-rings with PARKER-O-LUBE or an equivalent lubricant. 1. Push seals (6) in the packing nut (5). 2. Screw adjusting screw (3) into packing nut (5). Insert needle/ball (8) into packing support (7). Nut Needle/ball O-Ring Yoke Packing Nut Adjusting Screw Packing Support Seal ti3810a 3. Attach needle/ball (8) to yoke (1) using slot in the yoke to screw needle/ball. 4. Secure yoke in soft jawed vice. Tighten lock nut to cartridge. 5. Install o-ring (4) onto groove in packing nut (5). 6. Insert cartridge assembly through front of gun handle. 7. Screw packing nut (5) in gun body (17). 8. Install trigger (18) and insert trigger pins (12) in gun body (17). Secure using screws (11) and lock washers (23). 9. Install snap rings (11) from top to bottom to secure trigger pins (12). 10. Install spring (13) and spring retainer (15) into the gun body (17). Adjust spring retainer to allow approximately 1/32 in. of free play on trigger. 11. Tighten lock nut (14). 12. Install o-ring (10) to adapter (9). 13. With trigger retracted, screw adapter (9) into gun body (17). Service 14. Hold adapter (9) stationary and screw nozzle and collar (16) into adapter. Do not over tighten collar. 15. Reconnect flow gun to material supply line. 16. Turn on material supply line. 17. Return flow gun to normal operating condition. Model 12005 Disassembly 1. Actuate gun to purge material and relieve pressure in gun. Pressure Relief Procedure, page 5. 2. Disconnect material supply line from gun handle. 3. Hold adapter (9) stationary and unscrew nozzle and coll...
Este manual também é adequado para os modelos :Armas - 12004 (1013.65 kb)
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