TM 5-3815-228-12&P
10.
Install OuterToeboard and Hardware.
a.
Place Outer Toeboard (13229E-4162) into position against Handrail (13229E-9998) and align the mounting holes
(see Figure 4).
b.
Insert (1) 1/4-20 x 3.5" (MS90728-20) screw through each end slot and through the aligned hole in the Handrail
(13229E-9998). Install Flat washer (MS 27183-52), and 1/4-20 Self locking Nut (MS519122-1) to both screws and tighten.
Repeat for other side.
11.
Position (4) Handrails (13228E-9997) Inside Handrail (13229E-9998).
a.
Install and hand tighten (4) 1/4-20 x 3" screws and fastening hardware through the holes in the ends of the
Handrails (13228E-9997) to limit travel into Handrail (13229E-9998).
b.
Slide the (4) Handrails, with the fastening hardware end towards you, horizontally into the pipe receivers of both
Handrails (13229E-9998).
12.
Install Post.
a.
Insert Post (13228E-9996) into the crane side Catwalk Outer Section pipe receiver adjacent to the Catwalk Inner
Section. Install Post with handrail pipe receivers pointed towards Handrail (13228E-9997). Repeat for other side.
b.
Install 1/4-20 x 3.5" screw and 1/4 flat washer into each bottom end through the mounting holes in the pipe
receivers (see Figure 4). Install (1) 1/4 flat washer (MS27183-52) and self locking nut (MS51922-1) to each screw and
tighten.
13.
Install Inner Toeboard and Hardware.
a.
Place Inner Toeboard (13229E-4163) into position between Post (13228E-9996) and Hand rail (13228E-9998).
Place the end of the toeboard with the flat spacer towards the Post. The rounded end of the towboard goes towards the
crane end. Square end goes towards pile.
b.
Install (2) 1/4-20 x 1 " screws (MS-90728-8) through both toeboards at end near pile, (2) 1/4-20 x 3.5" (MS90728-
20) on each side at other end of Inner Toeboard. Forward screws mount through post uprights and rear screws is
positioned through the slots in both toeboards.
NOTE
Circular openings in InnerToeboard (13229E-4163) will provide clearance for the screw
that mounts OuterToeboard (1 3229E-4162) to end of Handrail (13228E-9996) (see Figure
4).
c.
Install (1) 1/4 flat washer (MS-27183-52) and (1) 1/4-20 self- locking nut (MS519122-1) to each screw and tighten.
Figure 4. Installing Handrails, Posts, andToeboards
2-3
