Bulletin HY25-1135-M1/US
Owner’s Manual
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
12
General Installation
6 and 8-Bolt PTOs
Mounting the PTO (Continued)
912 Series Split Shaft – Top Mounted 880 w/ Self-Lube Option
1. Drain split shaft oil at drain plug (A). Filter or screen oil & reuse if desired.
2. Remove top split shaft aperture cover plate at (B) or air shift Assembly (C) & reassemble to either
side of split shaft in place of shipping cover. Install PTO on split shaft & set backlash at .006" to
.012". (See page 9 for checking proper backlash) Follow instructions Mounting the PTO on the
transmission in this manual.
3. Install copper gasket (D), screened strain plug (E) & 90° elbow (F) in place of drain plug at (A).
Also install pressure lube hose (G) between elbow (F) and pump (H). (Use pipe sealant on all
pipe threads).
4. Fill split shaft with filtered, screened or new oil at fill plug (J), until oil reaches plug level, then
reinstall plug.
5. Finish PTO & split shaft installation per owner’s manual. Also install shaft and/or pump to be
driven by PTO.
6. After brief PTO operation, remove fill plug (J), add oil until it reaches plug level, then reinstall plug.
Important: Lube pump (H) must rotate clockwise (engine rotation) as view from front of vehicle.
J
F
D
E
A
G
C
B
H
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