2588
Driller’s Valve
Kobelt Manufacturing Co. Ltd.
Rev A
mnl_2588.docx
13 of 20
5
M
AINTENANCE
5.1
P
REVENTATIVE
M
AINTENANCE
•
Quarterly (4 times per year)
o
Inspect unit for air leaks
•
Every 2 years
o
Lubricate pins & rollers
5.2
A
DJUSTMENT
After events such as repair kit installation or a major overhaul, it will be necessary to set all the
adjustment points correctly.
1.
Pressure screw adjustment:
Tools:
5/32 in allen key + ½ in wrench
Turn this screw CW to the desired initial
pressure output setting. Note that the
handle must be in the neutral position.
2.
Plunger adjustment:
Tools:
5/16 in 3/8 in wrench
Turn the screw CCW until the slack has
been removed from the valve plunger.
3.
Handle end stop adjustment:
Tools:
5/16 in 3/8 in wrench
With the handle in the maximum down
position, adjust the screw out until it
contacts the cam.
5.3
R
ECOMMENDED
S
PARE
P
ARTS AND
K
ITS
The spare parts kept on hand will depend on the severity of the service. The User should monitor the
condition of their control head to predict necessary spare parts and ensure they are on hand when
needed. As a minimum Kobelt recommends keeping the following parts for each unit in service:
1.
Two
3230-RK
regulating valve repair kit
Refer to the parts list drawings in
for a complete list of parts. When purchasing spare parts
refer to Appendix B: Parts List at the back of this manual for Kobelt component Part Numbers.
It is recommended that any required service work on a
Kobelt unit be performed by a factory authorized service
representative. Please contact the nearest Kobelt authorized
distributor for assistance.
Figure 5: Valve adjustments