13
REV 5/22
GB745/206
-
500 S/N:1329 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
Bleeder holes
“
P
” & “
R
”
on cylinder
(204300)
*located on rear side*
Fill Bottle (745263)
Hole marked
“
R
”
on rear of Manifold
-
Handle (745303)
Bleeder holes on cylinder
(204300) marked
“
P
” & “
R
”
TROUBLESHOOTING
1. Check air line for correct pressure at the tool. It must be 90 to 100 psi. (6.2
-
6.9 bar) Max.
2. Check tool for lack of hydraulic oil (see filling & bleeding procedures pgs. 11
-
12).
3. Check for oil leakage.
a. Hydraulic oil leaks from connections. Tighten threaded connections.
b. If oil should leak through the by
-
pass hole at the base of the handle assembly (744129), quad rings (401462) is worn or damaged.
c. Oil leaking from the front of the cylinder (204300) indicates that o'ring (403802) is worn or damaged.
4. Check for excessive air leakage from air valve.
a. If spring (744144) is broken or dislodged, air will bleed directly through the bottom of the air valve and the piston assembly (206129)
will retreat to its full stroke without returning.
b. If o'ring (400785) on valve plug (744142) is worn or damaged, replace.
c. If o'rings (400779) on valve spool assembly (743142) are worn or damaged, replace.
5. Check movement of piston assembly (206129). If it does not move freely or is slow in operation.
a. O'ring (403810) may be damaged and require replacement.
b. Piston may be mechanically locked due to damaged parts.
c. Muffler (744143) or air filter inside valve spool assembly (743142) may be blocked or damaged. Hole diameter should be .028" (.071 mm).
Clear and size or replace valve spool assembly (743142).
6. Fastener stem sticks in nose assembly.
a. Nose assembly components need maintenance. Disassemble nose assembly, clean and replace worn parts.
b. Spent pintail may be jammed in nose assembly. Disassemble nose assembly, remove pintails and reassemble.
Images may not reflect actual tool
Air Bleeder
Assembly
(704153)
Hole marked
“
P
”
on rear of Manifold
-
Handle (745303)
Hole marked
“
P
”
on rear of Manifold
-
Handle (745303)
FILLING DIAGRAM
BLEEDING DIAGRAM
