Troubleshooting - Samoa 167 500 Guía De Servicio Técnico Y Recambio

TROUBLESHOOTING

SYMPTOMS
No grease delivery when the trigger is pulled.
Grease comes out without pulling the trigger.
Air leaks from the air valve needle.
The air motor does not function when the trigger
is pulled.
Accumulation of grease in the bottom of the
container.
REPAIR AND CLEANING PROCEDURES
ATTENTION: Before starting any kind of maintenance or
!
repairing, disconnect the compressed air supply and pull the
trigger to release the grease pressure.
OUTLET VALVE
1. Unscrew the outlet nut (A1) and remove the spring (A2) and the ball
(A3) (fig. 2).
2. Clean these parts as well as the ball seat in the gun body.
Replace if necessary.
!
ATTENTION: Assemble the parts in their original positions.
AIR VALVE
1. Unscrew and remove the quick coupler (C1) (fig. 3).
2. Remove the spring (C2) and the valve (C3). Clean or replace.
3. Remove the trigger pin and the trigger (C6). Unscrew the needle
guide (C4) and remove it together with the air valve needle (C5).
Replace the O ring.
AIR MOTOR
1. Unscrew and remove the five screws (B1) and remove the handle (B2)
and O ring (B3) (fig. 4).
2. Remove the air motor assembly by pulling the nut (B4) and replace
the damaged parts.
TECHNICAL INFORMATION / REPAIR KIT
SEE PAGE 12.
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
POSSIBLE CAUSES
No grease in the container.
Air pockets in the gun body or container.
Grease outlet obstructed.
Dirt in the outlet valve.
The O ring in the air valve is damaged.
Damaged air valve.
Damaged piston plate or air piston.
The O ring in the air motor is damaged.
Worn out grease plunger.
A1
SOLUTIONS
Fill the container.
Compact the grease in the container.
Purge the air with the purger.
Disassemble and clean or replace the outlet
valve (kit A). Remove the screw and clean
the grease conduit between the container
and the outlet.
Disassemble and clean or replace the
outlet valve (kit A).
Replace the O ring (kit C).
Replace the air valve (kit C).
Replace the damaged part (kit B).
Replace the O ring (kit B).
Replace the container assembly (kit D).
A2 A3
C1
C6 C5
C4
B4
B3
EN
Fig. 2
C3 C2
C1
Fig. 3
B1
Fig. 4
B4
R. 10/19 816 801 3