106671-8324 ZEXEL 9 400 616 987 BOSCH INJECTION-PUMP ASSEMBLY 9400616987 1066718324 220006763a

Observe the safe working load limits of all lifting and blocking devices and keep a safe distance from suspended/blocked loads. Personnel may be seriously injured or killed by falling loads.
New Water Injection Check Valve for MD6250 Rotary Drills
Location
Illustration 1 g06400691
Location of 504-4521 Water Lines Gp and new check valve.
Note: Some parts are removed/hidden for clarity.Required Parts
Table 1
Required Parts
Item Qty New Part Number Part Name
1 1 3B-7255 Reducer Bushing
2 1 3J-1907 O-Ring Seal
3 1 235-3567 Adapter
4 1 573-4099 Check Valve
5 1 8C-6872 Connector
6 1 180-8424 O-Ring Seal Rework Procedure
Follow the below set of procedures to install the water side check valve in 504-4521 Water Lines Gp.
Illustration 2 g06400695
(A) 150-4043 Connector As
(B) 207-1810 Check Valve Gp
Remove adapter assembly (A) and check valve (B), shown in Illustration 2.
Illustration 3 g06400696
(1) 3B-7255 Reducer Bushing
(2) 3J-1907 O-Ring Seal
(3) 235-3567 Adapter
(4) 573-4099 Check Valve
(5) 8C-6872 Connector
(6) 180-8424 O-Ring Seal
Install check valve (4) with 504-4521 Water Lines Gp using reducer bushing (1), O-ring seal (2), adapter (3), connector (5), and O-ring seal (6), shown in Illustration 3.New Water Injection Check Valve for MD6310 Rotary Drills
Location
Illustration 4 g06400701
Location of 515-8869 Water Injection Lines and new check valve.
Note: Some parts are removed/hidden for clarity.Required Parts
Table 2
Required Parts
Item Qty New Part Number Part Name
1 1 3E-7449 Elbow
2 1 7X-0495 Adapter
3 1 6I-6547 Elbow
4 1 3K-0360 O-Ring Seal
5 1 573-4099 Check Valve Rework Procedure
Follow the below set of procedures to install the water side check valve in 515-8869 Water Injection Lines.
Illustration 5 g06400712
(A) 148-8364 Elbow As
(B) 207-1810 Check Valve Gp
Remove adapter assembly (A) and check valve (B), shown in Illustration 5.
Illustration 6 g06400711
(1) 3E-7449 Elbow
(2) 7X-0495 Adapter
(3) 6I-6547 Elbow
(4) 3K-0360 O-Ring Seal
(5) 573-4099 Check Valve
Install check valve (5) with 515-8869 Water Injection Lines using elbow (1), adapter (2), elbow (3), and O-ring (4) shown in Illustration 6.