Service Manual

PAGE 5.A
DISASSEMBLY PROCEDURE FOR AIR RIFLES MODELS 140-147 REFER TO DRAWINGS PAGE 5.1, 5.2, 1.3
1. Remove Knurled Nut from bottom of Stock.
Remove Stock.
Clamp Tube (140-1) in protected jaws of vise.
5. Unscrew and remove Breech Front Screw (150-36A)
CAUTION: Do not lose Breech Gasket (130-29),
between Breech and Tube.
2. Unscrew and remove Breech Screw Rear (140-13).
Remove Breech Plug (140-15).
6. Drive out Front Sight Pin (130-30).
Remove Front Sight Assembly (140-88).
Remove Pump Assembly (140-74).
3. Unscrew and remove Breech Bolt Screw (140-52).
Remove Loading Sleeve (140-19), and Breech
Bolt (130-20) will slip out.
7. Check and Exhaust Valve Assembly (140-71) can
be pushed out of Tube from the rear using a
9/16" rod.
4. Drive out Tube Plug Pin (140-30A).
Remove Sear Block Stop (140-11A).
Remove Sear Spring (111-30).
Remove Sear Block (140-17).
Remove Valve Pin (140-3bA).
Remove Small Tube Plug (140-24A).
NOTE: Early Models of 140-147 did not contain
the self cocking mechanism, shown on Page 5.1.
All units not containing this type of system
should be replaced with parts shown.
VALVE SYSTEM for Model 140-147 can be disassembled per drawing Page 5.2. If rifle leaks air replace damaged "0" rings and
seals. Parts must be thoroughly cleaned before re-assembling.
LEVER AND PUMP ASSEMBLY ARE SHOWN IN DRAWING PAGE 1.3. Malfunction and Corrective Measures are found in detail
Page 1-C.
TRIGGER AND SAFETY MECHANISM ARE SHOWN IN DRAWING PAGE 6.2. Rifle may fire on safe if knurled nut on bottom of
stock is not tight.