Troubleshooting – GBC MS5 User Manual
Page 16

F.300-B/MS-5 DRILL/JULY 2000
16
WARNING: DISCONNECT THE POWER AND LOCK IT OUT whenever working on the machine
unless the instructions specifically require the machine to be powered (see Power Lockout
Procedure,
page 4
). Several of the following tests may require the machine to be operational
for checking and adjusting. Be very careful that tools and other people are clear of moving parts, and
that the drill is not accidentally operated while adjustments are being made.
CAUTION: Whenever repairing hydraulic components, loosen connections slowly to bleed
off any trapped pressure.
Problem
Area to Check
Solution
1. No power
Power to machine
Connect Power
Main Disconnect Switch
Turn to ON position
Interlocking Guards
Replace guards
Fuse blown
Replace fuse - see fig. 2
page 7
2. Lack of power
Relief valve in pump may be bad
Clean or replace relief valve or pump.
or have dirt in it.
Check oil level - may be low.
Add oil.
Check voltage at machine - may
Remove other machinery on line or
be low.
provide a dedicated line.
3. Spindle motor stalls
Dull drills.
Sharpen drills.
Check for low voltage.
(See above).
Check drive pulley and belt for
(See SETUP INSTRUCTIONS in main
tightness.
section for adjustment).
Check for paper plugging drills
Clean out hollow drills - We recom-
mend cleaning and soaking drills in
oil overnight.
4. Table stroke won’t adjust
Stroke Adjustment Chain off
Remove back panel and replace
sprockets.
chain (fig. 10).
TROUBLESHOOTING
(fig. 10)
Table Lift Rod