Maintenance
HON 5020 gas pressure regulator with HON 630 pilot
87
8.5.7
Reassembling the pilot
Crush and impact hazard posed by components falling or toppling over accidentally.
When working with heavy components that have been removed or are yet to be installed,
injury may result if the components start moving in an uncontrolled manner, e.g., fall
down
from the working surface or topple over.
Place removed components exclusively on level, horizontal working surfaces with enough
load-bearing capacity.
If necessary, secure removed components so that they will not fall or topple over.
Wear the required personal protective equipment.
Exercise caution when performing the relevant tasks.
Observe the following cleaning instructions:
Before assembly, all parts must be cleaned in order to remove any foreign particles
(swarf) and soiling.
If screws, bolts, or washers are replaced with identical new parts, any oil on these new
parts must first be removed.
When tightening fasteners, observe the following tightening torques:
Part
Tightening torque
Step
Hex nut
12 Nm (9 ft lbs)
1, 2, 3
Proceed as follows:
Figure
Step
Description
1
Use the 4 hex bolts (3) and washers to
fasten the load limiting stage (1) back onto
the base plate (2). Observe the tightening
torque information provided in the table
before this section.
2
Use the 4 hex bolts (3) and washers to
fasten the control stage (1) back onto the
base plate (2). Observe the tightening
torque information provided in the table
before this section.
Falling components
Cleaning
Tightening torques
Reassembling the pilot
