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25R647 Higher Flow Mechanical (Spring)
25R488 Lower Flow Mechanical (Spring)
To convert to air, remove parts
and replace with conversion kit
parts. See page 13.
Torque twice to 13–15 ft-lbs (17.6–20.3 N•m)
1
Torque in alternating pattern to 125±5 in-lbs (169.5–6.7 N•m) 3 times
2
Apply threadlocker to threads (Loctite
3
Apply lubricant to threads or surface (Lubriplate
4
Torque to 30-33 in-lbs (3.4–3.7 N•m) in alternating pattern.
5
Then, torque to 68-72 in-lbs (7.7–8.1 N•m) in alternating pattern.
Torque to 15–20 ft-lbs (20.3–27.1 N•m)
6
Torque to 35–45 ft-lbs (47.5–61 N•m)
7
Apply liquid thread sealant
8
F
. 4. Parts of a Mechanical (Spring) Operated BPR
IG
3A7527B
43
4
12
2
42
41
4
40
44
4
45
4
12
2
1
®
243)
®
930-AA)
9
11
16
8
Parts
8
1
3
7
18
2
3
4
5
6
10
4
25R647
7
25R488
6
17
8
11
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