Dewalt DCGG571M1 Instruction Manual - Page 21

TROUBLESHOOTING, Problem, Possible Cause, Possible Solution

Get Dewalt DCGG571M1 PDF manuals and user guides View all Dewalt DCGG571M1 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 21 highlights

English TROUBLESHOOTING Problem Unable to pull back rod Unable to push rod forward No grease when trigger is pulled Grease appears in relief valve Motor does not run when trigger is pulled Grease leaks out of the back of the grease tube Possible Cause Vacuum build up Pressure build up Rod is still connected to plunger Grease tube is empty Air pockets in the grease tube Check valve is clogged Filter is clogged Zerk fitting is blocked Battery Rubber seal is flipped the wrong direction Possible Solution Unscrew the purge valve to release vacuum. Unscrew the purge valve to release pressure. Rotate grease tube handle 90 degrees to disengage it. Add grease. Refer to Purging Air Pockets. Refer to Cleaning Contamination from the Check Valve. Refer to Cleaning Contamination from the Filter. Disconnect coupler from fitting, clean zerk fitting and grease path. Make sure the battery is fully charged. Refer to Preparing the Grease Gun for Suction and Filler Pump Filling. 19

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
TROUBLESHOOTING
Problem
Possible Cause
Possible Solution
Unable to pull back rod
Vacuum build up
Unscrew the purge valve to release vacuum.
Unable to push rod forward
Pressure build up
Unscrew the purge valve to release pressure.
Rod is still connected to plunger
Rotate grease tube handle 90 degrees to disengage it.
No grease when trigger is pulled
Grease tube is empty
Add grease.
Air pockets in the grease tube
Refer to
Purging Air Pockets
.
Check valve is clogged
Refer to
Cleaning Contamination from the Check
Valve.
Filter is clogged
Refer to
Cleaning Contamination from the Filter.
Grease appears in relief valve
Zerk fitting is blocked
Disconnect coupler from fitting, clean zerk fitting and
grease path.
Motor does not run when trigger
is pulled
Battery
Make sure the battery is fully charged.
Grease leaks out of the back of
the grease tube
Rubber seal is flipped the wrong direction
Refer to
Preparing the Grease Gun for Suction and
Filler Pump Filling.
English
19