TROUBLE
PROBABLE CAUSE
REMEDY
Piston Stops Reciprocating. Air
supply
interrupted.
Turn on air supply to Pakhammer.
Check pressure at air supply.
Check hose for bends and kinks.
Damage to rear bumper (35).
Replace rear bumper.
Broken main piston spring(s) (40).
Replace main piston springs as a set.
Broken shuttle valve assembly (28
thru 32).
Replace shuttle valve assembly.
Plugged holes in shuttle valve
assembly, handle assembly (3
through 12) and/or cylinder (47).
Clean all air passages to assure free
flow of air.
Piston Stalls - Slow
Operation.
Piston rod (39) or or shuttle
valve assembly frozen.
Warm Pakhammer and air supply with a
heat gun.
Lack of lubrication.
Fill oiler and hose assembly (49) 1/2 full
CHAPTER 5
TROUBLESHOOTING
5-1 GENERAL.
This chapter contains troubleshooting data in the
form of a conventional troubleshooting chart.
Troubleshooting is required only when malfunctions
are detected either during normal operation or
during periodic servicing of the Pakhammer.
NOTE: WITHIN ONE YEAR OF PURCHASE DATE,
REPAIRS MUST BE MADE BY
THE MANUFACTURER OR WARRANTY (PAGE 7-4)
IS VOID.
Refer to chapter 3 for a theory of operation that is
helpful when used in conjunction
with the
Pakhammer troubleshooting guide given in
Table 5-1. Refer to figure 6-1 for parts identified
by index numbers.
Table 5-1. Troubleshooting
5-1
