Bettis P/N 126858
Revision "F"
Page 11 of 15
SECTION 5 - M11 REASSEMBLE INSTRUCTIONS
5.1
GENERAL REASSEMBLY INSTRUCTIONS
CAUTION:
Only new seals that are still within the seal’s expectant shelf life should be
install into Bettis product being refurbished.
5.1.1
Remove and discard all old seals and gaskets.
5.1.2
All parts should be cleaned to remove all dirt and other foreign material prior to inspection.
5.1.3
All parts should be thoroughly inspected for excessive wear, stress cracking, galling and
pitting. Attention should be directed to threads, sealing surfaces and areas that will be
subjected to sliding or rotating motion. Sealing surfaces of the manifold (20-10) and pump
rod (20-50) must be free of deep scratches, pitting, corrosion and blistering or flaking
coating.
CAUTION:
Parts that reflect any of the above listed characteristics should be replaced
with new parts.
5.1.4
Before installation coat all moving parts with a complete film of lubricant. Coat all seals with
a complete film of lubricant, before installing into seal grooves. NOTE: The parts and seals
used in the actuator will be assembled using lubricant as identified in section 1 step 1.5.1.
5.2
M11 RESERVOIR REASSEMBLE INSTRUCTIONS
NOTE: Review Section 5.1 General Reassembly Instructions before proceeding with reservoir
reassembly.
5.2.1 Refer to the assembly drawing SHEET 3. If disassembled, reassemble the following items;
5.2.2.1 Pipe nipple (10-40), pipe tee (10-50), elbow (10-90), low-pressure relief valve
(10-130) and check valve (10-120) into one complete assembly.
